21000322568

素因数分解:

$2^3\times {\mathrm{269539}}^1\times {\mathrm{9739}}^1$

素因数の和:279284

約数の個数: 16

約数和(自身を含む): 39379794000

約数和(自身を除く): 18379471432

約数列:

[1, 2, 4, 8, 9739, 19478, 38956, 77912, 269539, 539078, 1078156, 2156312, 2625040321, 5250080642, 10500161284, 21000322568]

約数ペア:

[(1, 21000322568), (2, 10500161284), (4, 5250080642), (8, 2625040321), (9739, 2156312), (19478, 1078156), (38956, 539078), (77912, 269539)]