Q: What is the sum of all factors of the number 42,002,121 excluding 42,002,121?
A: 28,120,119
The factors of the number 42,002,121 are: 1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 4057, 10353, 12171, 28399, 68969, 85197, 117653, 206907, 352959, 482783, 823571, 1448349, 2000101, 2470713, 6000303, 14000707, 42002121.
If you add them up, you will get the total of 42,002,149. Now subtract 42,002,121 to get 28,120,119