21591544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7159}}^1$

素因数の和:7207

約数の個数: 32

約数和(自身を含む): 45108000

約数和(自身を除く): 23516456

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7159, 14318, 28636, 57272, 93067, 186134, 207611, 372268, 415222, 744536, 830444, 1660888, 2698943, 5397886, 10795772, 21591544]

約数ペア:

[(1, 21591544), (2, 10795772), (4, 5397886), (8, 2698943), (13, 1660888), (26, 830444), (29, 744536), (52, 415222), (58, 372268), (104, 207611), (116, 186134), (232, 93067), (377, 57272), (754, 28636), (1508, 14318), (3016, 7159)]