21285564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 53012736

約数和(自身を除く): 31727172

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 151, 204, 302, 453, 604, 691, 906, 1382, 1812, 2073, 2567, 2764, 4146, 5134, 7701, 8292, 10268, 11747, 15402, 23494, 30804, 35241, 46988, 70482, 104341, 140964, 208682, 313023, 417364, 626046, 1252092, 1773797, 3547594, 5321391, 7095188, 10642782, 21285564]

約数ペア:

[(1, 21285564), (2, 10642782), (3, 7095188), (4, 5321391), (6, 3547594), (12, 1773797), (17, 1252092), (34, 626046), (51, 417364), (68, 313023), (102, 208682), (151, 140964), (204, 104341), (302, 70482), (453, 46988), (604, 35241), (691, 30804), (906, 23494), (1382, 15402), (1812, 11747), (2073, 10268), (2567, 8292), (2764, 7701), (4146, 5134)]