Q: What is the sum of all factors of the number 21,408,778 excluding 21,408,778?
A: 11,389,526
The factors of the number 21,408,778 are: 1, 2, 67, 134, 197, 394, 811, 1622, 13199, 26398, 54337, 108674, 159767, 319534, 10704389, 21408778.
If you add them up, you will get the total of 21,408,789. Now subtract 21,408,778 to get 11,389,526