Q: What is the sum of all factors of the number 21,996 including 21,996?
A: 61,152
The factors of the number 21,996 are: 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10998, 21996.
If you add them up, you will get the total of 61,152.