21050484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 62205696

約数和(自身を除く): 41155212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 518, 521, 546, 777, 962, 1036, 1042, 1092, 1443, 1554, 1563, 1924, 2084, 2886, 3108, 3126, 3367, 3647, 5772, 6252, 6734, 6773, 7294, 10101, 10941, 13468, 13546, 14588, 19277, 20202, 20319, 21882, 27092, 38554, 40404, 40638, 43764, 47411, 57831, 77108, 81276, 94822, 115662, 134939, 142233, 189644, 231324, 250601, 269878, 284466, 404817, 501202, 539756, 568932, 751803, 809634, 1002404, 1503606, 1619268, 1754207, 3007212, 3508414, 5262621, 7016828, 10525242, 21050484]

約数ペア:

[(1, 21050484), (2, 10525242), (3, 7016828), (4, 5262621), (6, 3508414), (7, 3007212), (12, 1754207), (13, 1619268), (14, 1503606), (21, 1002404), (26, 809634), (28, 751803), (37, 568932), (39, 539756), (42, 501202), (52, 404817), (74, 284466), (78, 269878), (84, 250601), (91, 231324), (111, 189644), (148, 142233), (156, 134939), (182, 115662), (222, 94822), (259, 81276), (273, 77108), (364, 57831), (444, 47411), (481, 43764), (518, 40638), (521, 40404), (546, 38554), (777, 27092), (962, 21882), (1036, 20319), (1042, 20202), (1092, 19277), (1443, 14588), (1554, 13546), (1563, 13468), (1924, 10941), (2084, 10101), (2886, 7294), (3108, 6773), (3126, 6734), (3367, 6252), (3647, 5772)]