Q: What is the sum of all factors of the number 21,680 including 21,680?
A: 50,592
The factors of the number 21,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 10840, 21680.
If you add them up, you will get the total of 50,592.