21598291278

素因数分解:

$2^1\times 3^3\times {\mathrm{399968357}}^1$

素因数の和:399968368

約数の個数: 16

約数和(自身を含む): 47996202960

約数和(自身を除く): 26397911682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399968357, 799936714, 1199905071, 2399810142, 3599715213, 7199430426, 10799145639, 21598291278]

約数ペア:

[(1, 21598291278), (2, 10799145639), (3, 7199430426), (6, 3599715213), (9, 2399810142), (18, 1199905071), (27, 799936714), (54, 399968357)]