21624386

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1118

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16296574

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 839, 1678, 1841, 3682, 5873, 11746, 12887, 25774, 41111, 82222, 220657, 441314, 1544599, 3089198, 10812193, 21624386]

約数ペア:

[(1, 21624386), (2, 10812193), (7, 3089198), (14, 1544599), (49, 441314), (98, 220657), (263, 82222), (526, 41111), (839, 25774), (1678, 12887), (1841, 11746), (3682, 5873)]