21471176040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{563}}^1\times {\mathrm{1123}}^1$

素因数の和:1983

約数の個数: 128

約数和(自身を含む): 64813616640

約数和(自身を除く): 43342440600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 563, 566, 849, 1123, 1126, 1132, 1415, 1689, 1698, 2246, 2252, 2264, 2815, 2830, 3369, 3378, 3396, 4245, 4492, 4504, 5615, 5630, 5660, 6738, 6756, 6792, 8445, 8490, 8984, 11230, 11260, 11320, 13476, 13512, 16845, 16890, 16980, 22460, 22520, 26952, 33690, 33780, 33960, 44920, 67380, 67560, 134760, 159329, 317809, 318658, 477987, 632249, 635618, 637316, 796645, 953427, 955974, 1264498, 1271236, 1274632, 1589045, 1593290, 1896747, 1906854, 1911948, 2389935, 2528996, 2542472, 3161245, 3178090, 3186580, 3793494, 3813708, 3823896, 4767135, 4779870, 5057992, 6322490, 6356180, 6373160, 7586988, 7627416, 9483735, 9534270, 9559740, 12644980, 12712360, 15173976, 18967470, 19068540, 19119480, 25289960, 37934940, 38137080, 75869880, 178926467, 357852934, 536779401, 715705868, 894632335, 1073558802, 1431411736, 1789264670, 2147117604, 2683897005, 3578529340, 4294235208, 5367794010, 7157058680, 10735588020, 21471176040]

約数ペア:

[(1, 21471176040), (2, 10735588020), (3, 7157058680), (4, 5367794010), (5, 4294235208), (6, 3578529340), (8, 2683897005), (10, 2147117604), (12, 1789264670), (15, 1431411736), (20, 1073558802), (24, 894632335), (30, 715705868), (40, 536779401), (60, 357852934), (120, 178926467), (283, 75869880), (563, 38137080), (566, 37934940), (849, 25289960), (1123, 19119480), (1126, 19068540), (1132, 18967470), (1415, 15173976), (1689, 12712360), (1698, 12644980), (2246, 9559740), (2252, 9534270), (2264, 9483735), (2815, 7627416), (2830, 7586988), (3369, 6373160), (3378, 6356180), (3396, 6322490), (4245, 5057992), (4492, 4779870), (4504, 4767135), (5615, 3823896), (5630, 3813708), (5660, 3793494), (6738, 3186580), (6756, 3178090), (6792, 3161245), (8445, 2542472), (8490, 2528996), (8984, 2389935), (11230, 1911948), (11260, 1906854), (11320, 1896747), (13476, 1593290), (13512, 1589045), (16845, 1274632), (16890, 1271236), (16980, 1264498), (22460, 955974), (22520, 953427), (26952, 796645), (33690, 637316), (33780, 635618), (33960, 632249), (44920, 477987), (67380, 318658), (67560, 317809), (134760, 159329)]