Q: What is the sum of all factors of the number 42,176,421 excluding 42,176,421?
A: 29,071,899
The factors of the number 42,176,421 are: 1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 15569, 46707, 108983, 140121, 326949, 669467, 980847, 2008401, 4686269, 6025203, 14058807, 42176421.
If you add them up, you will get the total of 42,176,450. Now subtract 42,176,421 to get 29,071,899