Q: What is the sum of all factors of the number 21,328 excluding 21,328?
A: 22,320
The factors of the number 21,328 are: 1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328.
If you add them up, you will get the total of 21,350. Now subtract 21,328 to get 22,320