21044894

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 37551600

約数和(自身を除く): 16506706

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 113, 169, 226, 247, 338, 377, 494, 551, 754, 1102, 1469, 2147, 2938, 3211, 3277, 4294, 4901, 6422, 6554, 7163, 9802, 14326, 19097, 27911, 38194, 42601, 55822, 62263, 85202, 93119, 124526, 186238, 362843, 553813, 725686, 809419, 1107626, 1618838, 10522447, 21044894]

約数ペア:

[(1, 21044894), (2, 10522447), (13, 1618838), (19, 1107626), (26, 809419), (29, 725686), (38, 553813), (58, 362843), (113, 186238), (169, 124526), (226, 93119), (247, 85202), (338, 62263), (377, 55822), (494, 42601), (551, 38194), (754, 27911), (1102, 19097), (1469, 14326), (2147, 9802), (2938, 7163), (3211, 6554), (3277, 6422), (4294, 4901)]