21705864

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{15329}}^1$

素因数の和:15397

約数の個数: 32

約数和(自身を含む): 55188000

約数和(自身を除く): 33482136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 354, 472, 708, 1416, 15329, 30658, 45987, 61316, 91974, 122632, 183948, 367896, 904411, 1808822, 2713233, 3617644, 5426466, 7235288, 10852932, 21705864]

約数ペア:

[(1, 21705864), (2, 10852932), (3, 7235288), (4, 5426466), (6, 3617644), (8, 2713233), (12, 1808822), (24, 904411), (59, 367896), (118, 183948), (177, 122632), (236, 91974), (354, 61316), (472, 45987), (708, 30658), (1416, 15329)]