Q: What is the sum of all factors of the number 261,515,423 excluding 261,515,423?
A: 21,137,185
The factors of the number 261,515,423 are: 1, 13, 277, 3601, 72623, 944099, 20116571, 261515423.
If you add them up, you will get the total of 261,515,444. Now subtract 261,515,423 to get 21,137,185