21491678040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{1097}}^1$

素因数の和:1482

約数の個数: 256

約数和(自身を含む): 74907141120

約数和(自身を除く): 53415463080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 281, 332, 415, 420, 498, 562, 581, 664, 830, 840, 843, 996, 1097, 1124, 1162, 1245, 1405, 1660, 1686, 1743, 1967, 1992, 2194, 2248, 2324, 2490, 2810, 2905, 3291, 3320, 3372, 3486, 3934, 4215, 4388, 4648, 4980, 5485, 5620, 5810, 5901, 6582, 6744, 6972, 7679, 7868, 8430, 8715, 8776, 9835, 9960, 10970, 11240, 11620, 11802, 13164, 13944, 15358, 15736, 16455, 16860, 17430, 19670, 21940, 23037, 23240, 23323, 23604, 26328, 29505, 30716, 32910, 33720, 34860, 38395, 39340, 43880, 46074, 46646, 47208, 59010, 61432, 65820, 69720, 69969, 76790, 78680, 91051, 92148, 93292, 115185, 116615, 118020, 131640, 139938, 153580, 163261, 182102, 184296, 186584, 230370, 233230, 236040, 273153, 279876, 307160, 308257, 326522, 349845, 364204, 455255, 460740, 466460, 489783, 546306, 559752, 616514, 637357, 653044, 699690, 728408, 816305, 910510, 921480, 924771, 932920, 979566, 1092612, 1233028, 1274714, 1306088, 1365765, 1399380, 1541285, 1632610, 1821020, 1849542, 1912071, 1959132, 2157799, 2185224, 2448915, 2466056, 2549428, 2731530, 2798760, 3082570, 3186785, 3265220, 3642040, 3699084, 3824142, 3918264, 4315598, 4623855, 4897830, 5098856, 5463060, 6165140, 6373570, 6473397, 6530440, 7398168, 7648284, 8631196, 9247710, 9560355, 9795660, 10788995, 10926120, 12330280, 12747140, 12946794, 15296568, 17262392, 18495420, 19120710, 19591320, 21577990, 25494280, 25585331, 25893588, 32366985, 36990840, 38241420, 43155980, 51170662, 51787176, 64733970, 76482840, 76755993, 86311960, 102341324, 127926655, 129467940, 153511986, 179097317, 204682648, 255853310, 258935880, 307023972, 358194634, 383779965, 511706620, 537291951, 614047944, 716389268, 767559930, 895486585, 1023413240, 1074583902, 1432778536, 1535119860, 1790973170, 2149167804, 2686459755, 3070239720, 3581946340, 4298335608, 5372919510, 7163892680, 10745839020, 21491678040]

約数ペア:

[(1, 21491678040), (2, 10745839020), (3, 7163892680), (4, 5372919510), (5, 4298335608), (6, 3581946340), (7, 3070239720), (8, 2686459755), (10, 2149167804), (12, 1790973170), (14, 1535119860), (15, 1432778536), (20, 1074583902), (21, 1023413240), (24, 895486585), (28, 767559930), (30, 716389268), (35, 614047944), (40, 537291951), (42, 511706620), (56, 383779965), (60, 358194634), (70, 307023972), (83, 258935880), (84, 255853310), (105, 204682648), (120, 179097317), (140, 153511986), (166, 129467940), (168, 127926655), (210, 102341324), (249, 86311960), (280, 76755993), (281, 76482840), (332, 64733970), (415, 51787176), (420, 51170662), (498, 43155980), (562, 38241420), (581, 36990840), (664, 32366985), (830, 25893588), (840, 25585331), (843, 25494280), (996, 21577990), (1097, 19591320), (1124, 19120710), (1162, 18495420), (1245, 17262392), (1405, 15296568), (1660, 12946794), (1686, 12747140), (1743, 12330280), (1967, 10926120), (1992, 10788995), (2194, 9795660), (2248, 9560355), (2324, 9247710), (2490, 8631196), (2810, 7648284), (2905, 7398168), (3291, 6530440), (3320, 6473397), (3372, 6373570), (3486, 6165140), (3934, 5463060), (4215, 5098856), (4388, 4897830), (4648, 4623855), (4980, 4315598), (5485, 3918264), (5620, 3824142), (5810, 3699084), (5901, 3642040), (6582, 3265220), (6744, 3186785), (6972, 3082570), (7679, 2798760), (7868, 2731530), (8430, 2549428), (8715, 2466056), (8776, 2448915), (9835, 2185224), (9960, 2157799), (10970, 1959132), (11240, 1912071), (11620, 1849542), (11802, 1821020), (13164, 1632610), (13944, 1541285), (15358, 1399380), (15736, 1365765), (16455, 1306088), (16860, 1274714), (17430, 1233028), (19670, 1092612), (21940, 979566), (23037, 932920), (23240, 924771), (23323, 921480), (23604, 910510), (26328, 816305), (29505, 728408), (30716, 699690), (32910, 653044), (33720, 637357), (34860, 616514), (38395, 559752), (39340, 546306), (43880, 489783), (46074, 466460), (46646, 460740), (47208, 455255), (59010, 364204), (61432, 349845), (65820, 326522), (69720, 308257), (69969, 307160), (76790, 279876), (78680, 273153), (91051, 236040), (92148, 233230), (93292, 230370), (115185, 186584), (116615, 184296), (118020, 182102), (131640, 163261), (139938, 153580)]