21587439720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{56983}}^1$

素因数の和:57056

約数の個数: 256

約数和(自身を含む): 82713415680

約数和(自身を除く): 61125975960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 41, 42, 44, 55, 56, 60, 66, 70, 77, 82, 84, 88, 105, 110, 120, 123, 132, 140, 154, 164, 165, 168, 205, 210, 220, 231, 246, 264, 280, 287, 308, 328, 330, 385, 410, 420, 440, 451, 462, 492, 574, 615, 616, 660, 770, 820, 840, 861, 902, 924, 984, 1148, 1155, 1230, 1320, 1353, 1435, 1540, 1640, 1722, 1804, 1848, 2255, 2296, 2310, 2460, 2706, 2870, 3080, 3157, 3444, 3608, 4305, 4510, 4620, 4920, 5412, 5740, 6314, 6765, 6888, 8610, 9020, 9240, 9471, 10824, 11480, 12628, 13530, 15785, 17220, 18040, 18942, 25256, 27060, 31570, 34440, 37884, 47355, 54120, 56983, 63140, 75768, 94710, 113966, 126280, 170949, 189420, 227932, 284915, 341898, 378840, 398881, 455864, 569830, 626813, 683796, 797762, 854745, 1139660, 1196643, 1253626, 1367592, 1595524, 1709490, 1880439, 1994405, 2279320, 2336303, 2393286, 2507252, 3134065, 3191048, 3418980, 3760878, 3988810, 4387691, 4672606, 4786572, 5014504, 5983215, 6268130, 6837960, 7008909, 7521756, 7977620, 8775382, 9345212, 9402195, 9573144, 11681515, 11966430, 12536260, 13163073, 14017818, 15043512, 15955240, 16354121, 17550764, 18690424, 18804390, 21938455, 23363030, 23932860, 25072520, 25699333, 26326146, 28035636, 32708242, 35044545, 35101528, 37608780, 43876910, 46726060, 47865720, 49062363, 51398666, 52652292, 56071272, 65416484, 65815365, 70089090, 75217560, 77097999, 81770605, 87753820, 93452120, 98124726, 102797332, 105304584, 128496665, 130832968, 131630730, 140178180, 154195998, 163541210, 175507640, 179895331, 196249452, 205594664, 245311815, 256993330, 263261460, 280356360, 308391996, 327082420, 359790662, 385489995, 392498904, 490623630, 513986660, 526522920, 539685993, 616783992, 654164840, 719581324, 770979990, 899476655, 981247260, 1027973320, 1079371986, 1439162648, 1541959980, 1798953310, 1962494520, 2158743972, 2698429965, 3083919960, 3597906620, 4317487944, 5396859930, 7195813240, 10793719860, 21587439720]

約数ペア:

[(1, 21587439720), (2, 10793719860), (3, 7195813240), (4, 5396859930), (5, 4317487944), (6, 3597906620), (7, 3083919960), (8, 2698429965), (10, 2158743972), (11, 1962494520), (12, 1798953310), (14, 1541959980), (15, 1439162648), (20, 1079371986), (21, 1027973320), (22, 981247260), (24, 899476655), (28, 770979990), (30, 719581324), (33, 654164840), (35, 616783992), (40, 539685993), (41, 526522920), (42, 513986660), (44, 490623630), (55, 392498904), (56, 385489995), (60, 359790662), (66, 327082420), (70, 308391996), (77, 280356360), (82, 263261460), (84, 256993330), (88, 245311815), (105, 205594664), (110, 196249452), (120, 179895331), (123, 175507640), (132, 163541210), (140, 154195998), (154, 140178180), (164, 131630730), (165, 130832968), (168, 128496665), (205, 105304584), (210, 102797332), (220, 98124726), (231, 93452120), (246, 87753820), (264, 81770605), (280, 77097999), (287, 75217560), (308, 70089090), (328, 65815365), (330, 65416484), (385, 56071272), (410, 52652292), (420, 51398666), (440, 49062363), (451, 47865720), (462, 46726060), (492, 43876910), (574, 37608780), (615, 35101528), (616, 35044545), (660, 32708242), (770, 28035636), (820, 26326146), (840, 25699333), (861, 25072520), (902, 23932860), (924, 23363030), (984, 21938455), (1148, 18804390), (1155, 18690424), (1230, 17550764), (1320, 16354121), (1353, 15955240), (1435, 15043512), (1540, 14017818), (1640, 13163073), (1722, 12536260), (1804, 11966430), (1848, 11681515), (2255, 9573144), (2296, 9402195), (2310, 9345212), (2460, 8775382), (2706, 7977620), (2870, 7521756), (3080, 7008909), (3157, 6837960), (3444, 6268130), (3608, 5983215), (4305, 5014504), (4510, 4786572), (4620, 4672606), (4920, 4387691), (5412, 3988810), (5740, 3760878), (6314, 3418980), (6765, 3191048), (6888, 3134065), (8610, 2507252), (9020, 2393286), (9240, 2336303), (9471, 2279320), (10824, 1994405), (11480, 1880439), (12628, 1709490), (13530, 1595524), (15785, 1367592), (17220, 1253626), (18040, 1196643), (18942, 1139660), (25256, 854745), (27060, 797762), (31570, 683796), (34440, 626813), (37884, 569830), (47355, 455864), (54120, 398881), (56983, 378840), (63140, 341898), (75768, 284915), (94710, 227932), (113966, 189420), (126280, 170949)]