C++ – Unique decomposition theorem

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All code

#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;
int main()
{
    int n,t;
    cin>>t;
    while(t--)
    {
        cin>>n;
        int ans=1;
        int range=sqrt(n);
        for(int i=2;i<=range;i++)
        {
            if(n%i==0)
            {
                int num=1;
                while(n%i==0)
                {
                num++;
                    n=n/i;
                }
                ans=ans*num;
            }
        }
        if(n>1)
        {
            ans=ans*2;
        }
        cout<<ans<<endl;
    }
    return 0;
}