Q: What is the sum of all factors of the number 21,790,431 excluding 21,790,431?
A: 12,975,489
The factors of the number 21,790,431 are: 1, 3, 9, 13, 27, 39, 117, 351, 62081, 186243, 558729, 807053, 1676187, 2421159, 7263477, 21790431.
If you add them up, you will get the total of 21,790,443. Now subtract 21,790,431 to get 12,975,489