class Program 
{
    static void FindFactors(int n, int i = 2) 
    {
        if (n % i == 0) 
            Console.Write(i + " ");
        if (i == n / 2) return;
        FindFactors(n, ++i);
    }
    static void Main() 
    {
        Console.Write("Enter N:);
        int N = int.Parse(Console.ReadLine());
        Console.WriteLine("Number of dividers:{0}",FindFactors(N));
    }
}