Q: What is the sum of all factors of the number 213,138 excluding 213,138?
A: 260,622
The factors of the number 213,138 are: 1, 2, 3, 6, 9, 18, 27, 54, 3947, 7894, 11841, 23682, 35523, 71046, 106569, 213138.
If you add them up, you will get the total of 213,398. Now subtract 213,138 to get 260,622