21096296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 43012200

約数和(自身を除く): 21915904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1861, 2834, 3722, 5668, 7444, 11336, 14888, 24193, 48386, 96772, 193544, 202849, 405698, 811396, 1622792, 2637037, 5274074, 10548148, 21096296]

約数ペア:

[(1, 21096296), (2, 10548148), (4, 5274074), (8, 2637037), (13, 1622792), (26, 811396), (52, 405698), (104, 202849), (109, 193544), (218, 96772), (436, 48386), (872, 24193), (1417, 14888), (1861, 11336), (2834, 7444), (3722, 5668)]