21721167461

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{317}}^1\times {\mathrm{33871}}^1$

素因数の和:34229

約数の個数: 24

約数和(自身を含む): 26454302976

約数和(自身を除く): 4733135515

約数列:

[1, 7, 17, 119, 289, 317, 2023, 2219, 5389, 33871, 37723, 91613, 237097, 575807, 641291, 4030649, 9788719, 10737107, 68521033, 75159749, 182530819, 1277715733, 3103023923, 21721167461]

約数ペア:

[(1, 21721167461), (7, 3103023923), (17, 1277715733), (119, 182530819), (289, 75159749), (317, 68521033), (2023, 10737107), (2219, 9788719), (5389, 4030649), (33871, 641291), (37723, 575807), (91613, 237097)]