Q: What is the sum of all factors of the number 21,156,517 excluding 21,156,517?
A: 1,244,519
The factors of the number 21,156,517 are: 1, 17, 1244501, 21156517.
If you add them up, you will get the total of 21,156,518. Now subtract 21,156,517 to get 1,244,519