21700062

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 52272000

約数和(自身を除く): 30571938

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 81, 87, 93, 149, 162, 174, 186, 261, 279, 298, 447, 522, 558, 783, 837, 894, 899, 1341, 1566, 1674, 1798, 2349, 2511, 2682, 2697, 4023, 4321, 4619, 4698, 5022, 5394, 8046, 8091, 8642, 9238, 12069, 12963, 13857, 16182, 24138, 24273, 25926, 27714, 38889, 41571, 48546, 72819, 77778, 83142, 116667, 124713, 133951, 145638, 233334, 249426, 267902, 350001, 374139, 401853, 700002, 748278, 803706, 1205559, 2411118, 3616677, 7233354, 10850031, 21700062]

約数ペア:

[(1, 21700062), (2, 10850031), (3, 7233354), (6, 3616677), (9, 2411118), (18, 1205559), (27, 803706), (29, 748278), (31, 700002), (54, 401853), (58, 374139), (62, 350001), (81, 267902), (87, 249426), (93, 233334), (149, 145638), (162, 133951), (174, 124713), (186, 116667), (261, 83142), (279, 77778), (298, 72819), (447, 48546), (522, 41571), (558, 38889), (783, 27714), (837, 25926), (894, 24273), (899, 24138), (1341, 16182), (1566, 13857), (1674, 12963), (1798, 12069), (2349, 9238), (2511, 8642), (2682, 8091), (2697, 8046), (4023, 5394), (4321, 5022), (4619, 4698)]