21565103615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1\times {\mathrm{4349}}^1$

素因数の和:5467

約数の個数: 32

約数和(自身を含む): 28582632000

約数和(自身を除く): 7017528385

約数列:

[1, 5, 11, 55, 89, 445, 979, 1013, 4349, 4895, 5065, 11143, 21745, 47839, 55715, 90157, 239195, 387061, 450785, 991727, 1935305, 4257671, 4405537, 4958635, 21288355, 22027685, 48460907, 242304535, 392092793, 1960463965, 4313020723, 21565103615]

約数ペア:

[(1, 21565103615), (5, 4313020723), (11, 1960463965), (55, 392092793), (89, 242304535), (445, 48460907), (979, 22027685), (1013, 21288355), (4349, 4958635), (4895, 4405537), (5065, 4257671), (11143, 1935305), (21745, 991727), (47839, 450785), (55715, 387061), (90157, 239195)]