21081622016

素因数分解:

$2^9\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1829

約数の個数: 240

約数和(自身を含む): 54225498096

約数和(自身を除く): 33143876080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 49, 52, 56, 64, 74, 91, 98, 104, 112, 128, 148, 182, 196, 208, 224, 256, 259, 296, 364, 392, 416, 448, 481, 512, 518, 592, 637, 728, 784, 832, 896, 962, 1036, 1184, 1274, 1456, 1568, 1664, 1747, 1792, 1813, 1924, 2072, 2368, 2548, 2912, 3136, 3328, 3367, 3494, 3584, 3626, 3848, 4144, 4736, 5096, 5824, 6272, 6656, 6734, 6988, 7252, 7696, 8288, 9472, 10192, 11648, 12229, 12544, 13468, 13976, 14504, 15392, 16576, 18944, 20384, 22711, 23296, 23569, 24458, 25088, 26936, 27952, 29008, 30784, 33152, 40768, 45422, 46592, 47138, 48916, 53872, 55904, 58016, 61568, 64639, 66304, 81536, 85603, 90844, 94276, 97832, 107744, 111808, 116032, 123136, 129278, 132608, 158977, 163072, 171206, 181688, 188552, 195664, 215488, 223616, 232064, 246272, 258556, 317954, 326144, 342412, 363376, 377104, 391328, 430976, 447232, 452473, 464128, 517112, 635908, 684824, 726752, 754208, 782656, 840307, 861952, 894464, 904946, 928256, 1034224, 1112839, 1271816, 1369648, 1453504, 1508416, 1565312, 1680614, 1723904, 1809892, 2068448, 2225678, 2543632, 2739296, 2907008, 3016832, 3130624, 3167311, 3361228, 3619784, 4136896, 4451356, 5087264, 5478592, 5814016, 5882149, 6033664, 6261248, 6334622, 6722456, 7239568, 8273792, 8902712, 10174528, 10957184, 11628032, 11764298, 12067328, 12669244, 13444912, 14479136, 16547584, 17805424, 20349056, 21914368, 23528596, 25338488, 26889824, 28958272, 33095168, 35610848, 40698112, 41175043, 43828736, 47057192, 50676976, 53779648, 57916544, 71221696, 81396224, 82350086, 94114384, 101353952, 107559296, 115833088, 142443392, 164700172, 188228768, 202707904, 215118592, 231666176, 284886784, 329400344, 376457536, 405415808, 430237184, 569773568, 658800688, 752915072, 810831616, 1317601376, 1505830144, 1621663232, 2635202752, 3011660288, 5270405504, 10540811008, 21081622016]

約数ペア:

[(1, 21081622016), (2, 10540811008), (4, 5270405504), (7, 3011660288), (8, 2635202752), (13, 1621663232), (14, 1505830144), (16, 1317601376), (26, 810831616), (28, 752915072), (32, 658800688), (37, 569773568), (49, 430237184), (52, 405415808), (56, 376457536), (64, 329400344), (74, 284886784), (91, 231666176), (98, 215118592), (104, 202707904), (112, 188228768), (128, 164700172), (148, 142443392), (182, 115833088), (196, 107559296), (208, 101353952), (224, 94114384), (256, 82350086), (259, 81396224), (296, 71221696), (364, 57916544), (392, 53779648), (416, 50676976), (448, 47057192), (481, 43828736), (512, 41175043), (518, 40698112), (592, 35610848), (637, 33095168), (728, 28958272), (784, 26889824), (832, 25338488), (896, 23528596), (962, 21914368), (1036, 20349056), (1184, 17805424), (1274, 16547584), (1456, 14479136), (1568, 13444912), (1664, 12669244), (1747, 12067328), (1792, 11764298), (1813, 11628032), (1924, 10957184), (2072, 10174528), (2368, 8902712), (2548, 8273792), (2912, 7239568), (3136, 6722456), (3328, 6334622), (3367, 6261248), (3494, 6033664), (3584, 5882149), (3626, 5814016), (3848, 5478592), (4144, 5087264), (4736, 4451356), (5096, 4136896), (5824, 3619784), (6272, 3361228), (6656, 3167311), (6734, 3130624), (6988, 3016832), (7252, 2907008), (7696, 2739296), (8288, 2543632), (9472, 2225678), (10192, 2068448), (11648, 1809892), (12229, 1723904), (12544, 1680614), (13468, 1565312), (13976, 1508416), (14504, 1453504), (15392, 1369648), (16576, 1271816), (18944, 1112839), (20384, 1034224), (22711, 928256), (23296, 904946), (23569, 894464), (24458, 861952), (25088, 840307), (26936, 782656), (27952, 754208), (29008, 726752), (30784, 684824), (33152, 635908), (40768, 517112), (45422, 464128), (46592, 452473), (47138, 447232), (48916, 430976), (53872, 391328), (55904, 377104), (58016, 363376), (61568, 342412), (64639, 326144), (66304, 317954), (81536, 258556), (85603, 246272), (90844, 232064), (94276, 223616), (97832, 215488), (107744, 195664), (111808, 188552), (116032, 181688), (123136, 171206), (129278, 163072), (132608, 158977)]