Q: What is the sum of all factors of the number 21,102,405 excluding 21,102,405?
A: 12,661,467
The factors of the number 21,102,405 are: 1, 3, 5, 15, 1406827, 4220481, 7034135, 21102405.
If you add them up, you will get the total of 21,102,417. Now subtract 21,102,405 to get 12,661,467