Q: What is the sum of all factors of the number 21,387,970 excluding 21,387,970?
A: 17,110,394
The factors of the number 21,387,970 are: 1, 2, 5, 10, 2138797, 4277594, 10693985, 21387970.
If you add them up, you will get the total of 21,387,987. Now subtract 21,387,970 to get 17,110,394