Q: What is the sum of all factors of the number 21,057,356 excluding 21,057,356?
A: 17,960,812
The factors of the number 21,057,356 are: 1, 2, 4, 17, 34, 68, 309667, 619334, 1238668, 5264339, 10528678, 21057356.
If you add them up, you will get the total of 21,057,373. Now subtract 21,057,356 to get 17,960,812