Q: What is the sum of all factors of the number 21,456 excluding 21,456?
A: 38,994
The factors of the number 21,456 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149, 298, 447, 596, 894, 1192, 1341, 1788, 2384, 2682, 3576, 5364, 7152, 10728, 21456.
If you add them up, you will get the total of 21,494. Now subtract 21,456 to get 38,994