21576996872

素因数分解:

$2^3\times {\mathrm{1429}}^1\times {\mathrm{1887421}}^1$

素因数の和:1888856

約数の個数: 16

約数和(自身を含む): 40485201900

約数和(自身を除く): 18908205028

約数列:

[1, 2, 4, 8, 1429, 2858, 5716, 11432, 1887421, 3774842, 7549684, 15099368, 2697124609, 5394249218, 10788498436, 21576996872]

約数ペア:

[(1, 21576996872), (2, 10788498436), (4, 5394249218), (8, 2697124609), (1429, 15099368), (2858, 7549684), (5716, 3774842), (11432, 1887421)]