21000966540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1164

約数の個数: 192

約数和(自身を含む): 62159771520

約数和(自身を除く): 41158804980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 61, 87, 116, 122, 145, 174, 183, 241, 244, 290, 305, 348, 366, 435, 482, 580, 610, 723, 732, 821, 870, 915, 964, 1205, 1220, 1446, 1642, 1740, 1769, 1830, 2410, 2463, 2892, 3284, 3538, 3615, 3660, 4105, 4820, 4926, 5307, 6989, 7076, 7230, 8210, 8845, 9852, 10614, 12315, 13978, 14460, 14701, 16420, 17690, 20967, 21228, 23809, 24630, 26535, 27956, 29402, 34945, 35380, 41934, 44103, 47618, 49260, 50081, 53070, 58804, 69890, 71427, 73505, 83868, 88206, 95236, 100162, 104835, 106140, 119045, 139780, 142854, 147010, 150243, 176412, 197861, 200324, 209670, 220515, 238090, 250405, 285708, 294020, 300486, 357135, 395722, 419340, 426329, 441030, 476180, 500810, 593583, 600972, 714270, 751215, 791444, 852658, 882060, 989305, 1001620, 1187166, 1278987, 1428540, 1452349, 1502430, 1705316, 1978610, 2131645, 2374332, 2557974, 2904698, 2967915, 3004860, 3957220, 4263290, 4357047, 5115948, 5737969, 5809396, 5935830, 6394935, 7261745, 8526580, 8714094, 11475938, 11871660, 12069521, 12789870, 14523490, 17213907, 17428188, 21785235, 22951876, 24139042, 25579740, 28689845, 29046980, 34427814, 36208563, 43570470, 48278084, 57379690, 60347605, 68855628, 72417126, 86069535, 87140940, 114759380, 120695210, 144834252, 172139070, 181042815, 241390420, 344278140, 350016109, 362085630, 700032218, 724171260, 1050048327, 1400064436, 1750080545, 2100096654, 3500161090, 4200193308, 5250241635, 7000322180, 10500483270, 21000966540]

約数ペア:

[(1, 21000966540), (2, 10500483270), (3, 7000322180), (4, 5250241635), (5, 4200193308), (6, 3500161090), (10, 2100096654), (12, 1750080545), (15, 1400064436), (20, 1050048327), (29, 724171260), (30, 700032218), (58, 362085630), (60, 350016109), (61, 344278140), (87, 241390420), (116, 181042815), (122, 172139070), (145, 144834252), (174, 120695210), (183, 114759380), (241, 87140940), (244, 86069535), (290, 72417126), (305, 68855628), (348, 60347605), (366, 57379690), (435, 48278084), (482, 43570470), (580, 36208563), (610, 34427814), (723, 29046980), (732, 28689845), (821, 25579740), (870, 24139042), (915, 22951876), (964, 21785235), (1205, 17428188), (1220, 17213907), (1446, 14523490), (1642, 12789870), (1740, 12069521), (1769, 11871660), (1830, 11475938), (2410, 8714094), (2463, 8526580), (2892, 7261745), (3284, 6394935), (3538, 5935830), (3615, 5809396), (3660, 5737969), (4105, 5115948), (4820, 4357047), (4926, 4263290), (5307, 3957220), (6989, 3004860), (7076, 2967915), (7230, 2904698), (8210, 2557974), (8845, 2374332), (9852, 2131645), (10614, 1978610), (12315, 1705316), (13978, 1502430), (14460, 1452349), (14701, 1428540), (16420, 1278987), (17690, 1187166), (20967, 1001620), (21228, 989305), (23809, 882060), (24630, 852658), (26535, 791444), (27956, 751215), (29402, 714270), (34945, 600972), (35380, 593583), (41934, 500810), (44103, 476180), (47618, 441030), (49260, 426329), (50081, 419340), (53070, 395722), (58804, 357135), (69890, 300486), (71427, 294020), (73505, 285708), (83868, 250405), (88206, 238090), (95236, 220515), (100162, 209670), (104835, 200324), (106140, 197861), (119045, 176412), (139780, 150243), (142854, 147010)]