21884618

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 18982582

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2837, 3857, 5674, 7714, 19859, 39718, 53903, 82273, 107806, 164546, 377321, 575911, 754642, 1151822, 1563187, 3126374, 10942309, 21884618]

約数ペア:

[(1, 21884618), (2, 10942309), (7, 3126374), (14, 1563187), (19, 1151822), (29, 754642), (38, 575911), (58, 377321), (133, 164546), (203, 107806), (266, 82273), (406, 53903), (551, 39718), (1102, 19859), (2837, 7714), (3857, 5674)]