21051912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 62712000

約数和(自身を除く): 41660088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 149, 168, 174, 203, 232, 298, 348, 406, 447, 596, 609, 696, 812, 841, 894, 1043, 1192, 1218, 1624, 1682, 1788, 2086, 2436, 2523, 3129, 3364, 3576, 4172, 4321, 4872, 5046, 5887, 6258, 6728, 8344, 8642, 10092, 11774, 12516, 12963, 17284, 17661, 20184, 23548, 25032, 25926, 30247, 34568, 35322, 47096, 51852, 60494, 70644, 90741, 103704, 120988, 125309, 141288, 181482, 241976, 250618, 362964, 375927, 501236, 725928, 751854, 877163, 1002472, 1503708, 1754326, 2631489, 3007416, 3508652, 5262978, 7017304, 10525956, 21051912]

約数ペア:

[(1, 21051912), (2, 10525956), (3, 7017304), (4, 5262978), (6, 3508652), (7, 3007416), (8, 2631489), (12, 1754326), (14, 1503708), (21, 1002472), (24, 877163), (28, 751854), (29, 725928), (42, 501236), (56, 375927), (58, 362964), (84, 250618), (87, 241976), (116, 181482), (149, 141288), (168, 125309), (174, 120988), (203, 103704), (232, 90741), (298, 70644), (348, 60494), (406, 51852), (447, 47096), (596, 35322), (609, 34568), (696, 30247), (812, 25926), (841, 25032), (894, 23548), (1043, 20184), (1192, 17661), (1218, 17284), (1624, 12963), (1682, 12516), (1788, 11774), (2086, 10092), (2436, 8642), (2523, 8344), (3129, 6728), (3364, 6258), (3576, 5887), (4172, 5046), (4321, 4872)]