21955412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{941}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 40619040

約数和(自身を除く): 18663628

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 941, 1228, 1882, 3764, 5833, 11666, 17879, 23332, 35758, 71516, 288887, 577774, 1155548, 5488853, 10977706, 21955412]

約数ペア:

[(1, 21955412), (2, 10977706), (4, 5488853), (19, 1155548), (38, 577774), (76, 288887), (307, 71516), (614, 35758), (941, 23332), (1228, 17879), (1882, 11666), (3764, 5833)]