21618340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37273}}^1$

素因数の和:37311

約数の個数: 24

約数和(自身を含む): 46965240

約数和(自身を除く): 25346900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37273, 74546, 149092, 186365, 372730, 745460, 1080917, 2161834, 4323668, 5404585, 10809170, 21618340]

約数ペア:

[(1, 21618340), (2, 10809170), (4, 5404585), (5, 4323668), (10, 2161834), (20, 1080917), (29, 745460), (58, 372730), (116, 186365), (145, 149092), (290, 74546), (580, 37273)]