zzzzzzzzz

#include <iostream>
#include <cmath>

using namespace std;

int main ()
{

unsigned n,d,nrdp=0,prim,i;

cout<<"n=";cin>>n;

d=2;
    while (d<=n/2)
{
    if (n%d==0)
    {
        prim=1;i=2;
      while (i<=d/2)
        {
         if (d%i==0)
            prim=0;
            i++;
        }
        if (prim)
            nrdp++;
    }
  d++;
}

cout<<nrdp;
return 0;
}