Q: What is the sum of all factors of the number 21,142,257 excluding 21,142,257?
A: 7,047,423
The factors of the number 21,142,257 are: 1, 3, 7047419, 21142257.
If you add them up, you will get the total of 21,142,264. Now subtract 21,142,257 to get 7,047,423