21563654888

素因数分解:

$2^3\times {\mathrm{11119}}^1\times {\mathrm{242419}}^1$

素因数の和:253544

約数の個数: 16

約数和(自身を含む): 40435656000

約数和(自身を除く): 18872001112

約数列:

[1, 2, 4, 8, 11119, 22238, 44476, 88952, 242419, 484838, 969676, 1939352, 2695456861, 5390913722, 10781827444, 21563654888]

約数ペア:

[(1, 21563654888), (2, 10781827444), (4, 5390913722), (8, 2695456861), (11119, 1939352), (22238, 969676), (44476, 484838), (88952, 242419)]