21376554944

素因数分解:

$2^6\times {\mathrm{1621}}^1\times {\mathrm{206051}}^1$

素因数の和:207684

約数の個数: 28

約数和(自身を含む): 42445475688

約数和(自身を除く): 21068920744

約数列:

[1, 2, 4, 8, 16, 32, 64, 1621, 3242, 6484, 12968, 25936, 51872, 103744, 206051, 412102, 824204, 1648408, 3296816, 6593632, 13187264, 334008671, 668017342, 1336034684, 2672069368, 5344138736, 10688277472, 21376554944]

約数ペア:

[(1, 21376554944), (2, 10688277472), (4, 5344138736), (8, 2672069368), (16, 1336034684), (32, 668017342), (64, 334008671), (1621, 13187264), (3242, 6593632), (6484, 3296816), (12968, 1648408), (25936, 824204), (51872, 412102), (103744, 206051)]