21000895437

素因数分解:

$3^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1\times {\mathrm{28879}}^1$

素因数の和:30192

約数の個数: 16

約数和(自身を含む): 28153610240

約数和(自身を除く): 7152714803

約数列:

[1, 3, 223, 669, 1087, 3261, 28879, 86637, 242401, 727203, 6440017, 19320051, 31391473, 94174419, 7000298479, 21000895437]

約数ペア:

[(1, 21000895437), (3, 7000298479), (223, 94174419), (669, 31391473), (1087, 19320051), (3261, 6440017), (28879, 727203), (86637, 242401)]