21000859209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{11953}}^1\times {\mathrm{17747}}^1$

素因数の和:29717

約数の個数: 24

約数和(自身を含む): 33096896352

約数和(自身を除く): 12096037143

約数列:

[1, 3, 9, 11, 33, 99, 11953, 17747, 35859, 53241, 107577, 131483, 159723, 195217, 394449, 585651, 1183347, 1756953, 212129891, 636389673, 1909169019, 2333428801, 7000286403, 21000859209]

約数ペア:

[(1, 21000859209), (3, 7000286403), (9, 2333428801), (11, 1909169019), (33, 636389673), (99, 212129891), (11953, 1756953), (17747, 1183347), (35859, 585651), (53241, 394449), (107577, 195217), (131483, 159723)]