21685156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9839}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 41328000

約数和(自身を除く): 19642844

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9839, 19678, 39356, 186941, 285331, 373882, 570662, 747764, 1141324, 5421289, 10842578, 21685156]

約数ペア:

[(1, 21685156), (2, 10842578), (4, 5421289), (19, 1141324), (29, 747764), (38, 570662), (58, 373882), (76, 285331), (116, 186941), (551, 39356), (1102, 19678), (2204, 9839)]