Q: What is the sum of all factors of the number 21,385,428 excluding 21,385,428?
A: 28,876,812
The factors of the number 21,385,428 are: 1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12821, 25642, 38463, 51284, 76926, 153852, 1782119, 3564238, 5346357, 7128476, 10692714, 21385428.
If you add them up, you will get the total of 21,385,456. Now subtract 21,385,428 to get 28,876,812