21000306558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{54049}}^1$

素因数の和:54130

約数の個数: 96

約数和(自身を含む): 54233337600

約数和(自身を除く): 33233031042

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 841, 957, 1218, 1682, 1914, 2233, 2523, 4466, 5046, 5887, 6699, 9251, 11774, 13398, 17661, 18502, 27753, 35322, 54049, 55506, 64757, 108098, 129514, 162147, 194271, 324294, 378343, 388542, 594539, 756686, 1135029, 1189078, 1567421, 1783617, 2270058, 3134842, 3567234, 4161773, 4702263, 8323546, 9404526, 10971947, 12485319, 17241631, 21943894, 24970638, 32915841, 34483262, 45455209, 51724893, 65831682, 90910418, 103449786, 120691417, 136365627, 241382834, 272731254, 318186463, 362074251, 500007299, 636372926, 724148502, 954559389, 1000014598, 1500021897, 1909118778, 3000043794, 3500051093, 7000102186, 10500153279, 21000306558]

約数ペア:

[(1, 21000306558), (2, 10500153279), (3, 7000102186), (6, 3500051093), (7, 3000043794), (11, 1909118778), (14, 1500021897), (21, 1000014598), (22, 954559389), (29, 724148502), (33, 636372926), (42, 500007299), (58, 362074251), (66, 318186463), (77, 272731254), (87, 241382834), (154, 136365627), (174, 120691417), (203, 103449786), (231, 90910418), (319, 65831682), (406, 51724893), (462, 45455209), (609, 34483262), (638, 32915841), (841, 24970638), (957, 21943894), (1218, 17241631), (1682, 12485319), (1914, 10971947), (2233, 9404526), (2523, 8323546), (4466, 4702263), (5046, 4161773), (5887, 3567234), (6699, 3134842), (9251, 2270058), (11774, 1783617), (13398, 1567421), (17661, 1189078), (18502, 1135029), (27753, 756686), (35322, 594539), (54049, 388542), (55506, 378343), (64757, 324294), (108098, 194271), (129514, 162147)]