21000944828

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{11851549}}^1$

素因数の和:11851996

約数の個数: 12

約数和(自身を含む): 36834617400

約数和(自身を除く): 15833672572

約数列:

[1, 2, 4, 443, 886, 1772, 11851549, 23703098, 47406196, 5250236207, 10500472414, 21000944828]

約数ペア:

[(1, 21000944828), (2, 10500472414), (4, 5250236207), (443, 47406196), (886, 23703098), (1772, 11851549)]