21307692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8747}}^1$

素因数の和:8790

約数の個数: 48

約数和(自身を含む): 58786560

約数和(自身を除く): 37478868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8747, 17494, 26241, 34988, 52482, 61229, 104964, 122458, 183687, 244916, 253663, 367374, 507326, 734748, 760989, 1014652, 1521978, 1775641, 3043956, 3551282, 5326923, 7102564, 10653846, 21307692]

約数ペア:

[(1, 21307692), (2, 10653846), (3, 7102564), (4, 5326923), (6, 3551282), (7, 3043956), (12, 1775641), (14, 1521978), (21, 1014652), (28, 760989), (29, 734748), (42, 507326), (58, 367374), (84, 253663), (87, 244916), (116, 183687), (174, 122458), (203, 104964), (348, 61229), (406, 52482), (609, 34988), (812, 26241), (1218, 17494), (2436, 8747)]