21000888056

素因数分解:

$2^3\times {\mathrm{2767}}^1\times {\mathrm{948721}}^1$

素因数の和:951494

約数の個数: 16

約数和(自身を含む): 39390937440

約数和(自身を除く): 18390049384

約数列:

[1, 2, 4, 8, 2767, 5534, 11068, 22136, 948721, 1897442, 3794884, 7589768, 2625111007, 5250222014, 10500444028, 21000888056]

約数ペア:

[(1, 21000888056), (2, 10500444028), (4, 5250222014), (8, 2625111007), (2767, 7589768), (5534, 3794884), (11068, 1897442), (22136, 948721)]