Q: What is the sum of all factors of the number 21,137,663 excluding 21,137,663?
A: 75,505
The factors of the number 21,137,663 are: 1, 281, 75223, 21137663.
If you add them up, you will get the total of 21,137,738. Now subtract 21,137,663 to get 75,505