21738318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27241}}^1$

素因数の和:27272

約数の個数: 32

約数和(自身を含む): 52304640

約数和(自身を除く): 30566322

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 27241, 54482, 81723, 163446, 190687, 381374, 517579, 572061, 1035158, 1144122, 1552737, 3105474, 3623053, 7246106, 10869159, 21738318]

約数ペア:

[(1, 21738318), (2, 10869159), (3, 7246106), (6, 3623053), (7, 3105474), (14, 1552737), (19, 1144122), (21, 1035158), (38, 572061), (42, 517579), (57, 381374), (114, 190687), (133, 163446), (266, 81723), (399, 54482), (798, 27241)]