Q: What is the sum of all factors of the number 21,171,431 excluding 21,171,431?
A: 920,521
The factors of the number 21,171,431 are: 1, 23, 920497, 21171431.
If you add them up, you will get the total of 21,172,351. Now subtract 21,171,431 to get 920,521