21198710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5623}}^1$

素因数の和:5672

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 21318730

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5623, 11246, 28115, 56230, 73099, 146198, 163067, 326134, 365495, 730990, 815335, 1630670, 2119871, 4239742, 10599355, 21198710]

約数ペア:

[(1, 21198710), (2, 10599355), (5, 4239742), (10, 2119871), (13, 1630670), (26, 815335), (29, 730990), (58, 365495), (65, 326134), (130, 163067), (145, 146198), (290, 73099), (377, 56230), (754, 28115), (1885, 11246), (3770, 5623)]