21555145920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1009}}^1$

素因数の和:1081

約数の個数: 672

約数和(自身を含む): 90728962560

約数和(自身を除く): 69173816640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 64, 66, 68, 70, 77, 80, 84, 85, 88, 96, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 160, 165, 168, 170, 176, 187, 192, 204, 210, 220, 224, 231, 238, 240, 255, 264, 272, 280, 289, 308, 320, 330, 336, 340, 352, 357, 374, 385, 408, 420, 440, 448, 462, 476, 480, 510, 528, 544, 560, 561, 578, 595, 616, 660, 672, 680, 704, 714, 748, 770, 816, 840, 867, 880, 924, 935, 952, 960, 1009, 1020, 1056, 1088, 1120, 1122, 1155, 1156, 1190, 1232, 1309, 1320, 1344, 1360, 1428, 1445, 1496, 1540, 1632, 1680, 1734, 1760, 1785, 1848, 1870, 1904, 2018, 2023, 2040, 2112, 2240, 2244, 2310, 2312, 2380, 2464, 2618, 2640, 2720, 2805, 2856, 2890, 2992, 3027, 3080, 3179, 3264, 3360, 3468, 3520, 3570, 3696, 3740, 3808, 3927, 4036, 4046, 4080, 4335, 4488, 4620, 4624, 4760, 4928, 5045, 5236, 5280, 5440, 5610, 5712, 5780, 5984, 6054, 6069, 6160, 6358, 6545, 6720, 6936, 7063, 7140, 7392, 7480, 7616, 7854, 8072, 8092, 8160, 8670, 8976, 9240, 9248, 9520, 9537, 10090, 10115, 10472, 10560, 11099, 11220, 11424, 11560, 11968, 12108, 12138, 12320, 12716, 13090, 13872, 14126, 14280, 14784, 14960, 15135, 15708, 15895, 16144, 16184, 16320, 17153, 17340, 17952, 18480, 18496, 19040, 19074, 19635, 20180, 20230, 20944, 21189, 22198, 22253, 22440, 22848, 23120, 24216, 24276, 24640, 25432, 26180, 27744, 28252, 28560, 29920, 30270, 30345, 31416, 31790, 32288, 32368, 33297, 34306, 34680, 35315, 35904, 36960, 38080, 38148, 39270, 40360, 40460, 41888, 42378, 44396, 44506, 44880, 46240, 47685, 48432, 48552, 50864, 51459, 52360, 55488, 55495, 56504, 57120, 59840, 60540, 60690, 62832, 63580, 64576, 64736, 66594, 66759, 68612, 69360, 70630, 73920, 76296, 77693, 78540, 80720, 80920, 83776, 84756, 85765, 88792, 89012, 89760, 92480, 95370, 96864, 97104, 101728, 102918, 104720, 105945, 110990, 111265, 113008, 114240, 120071, 121080, 121380, 125664, 127160, 129472, 133188, 133518, 137224, 138720, 141260, 152592, 155386, 157080, 161440, 161840, 166485, 169512, 171530, 177584, 178024, 179520, 188683, 190740, 193728, 194208, 203456, 205836, 209440, 211890, 221980, 222530, 226016, 233079, 240142, 242160, 242760, 251328, 254320, 257295, 266376, 267036, 274448, 277440, 282520, 291601, 305184, 310772, 314160, 322880, 323680, 332970, 333795, 339024, 343060, 355168, 356048, 360213, 377366, 381480, 388416, 388465, 411672, 418880, 423780, 443960, 445060, 452032, 466158, 480284, 484320, 485520, 508640, 514590, 532752, 534072, 548896, 565040, 566049, 583202, 600355, 610368, 621544, 628320, 647360, 665940, 667590, 678048, 686120, 710336, 712096, 720426, 754732, 762960, 776930, 823344, 847560, 874803, 887920, 890120, 932316, 943415, 960568, 968640, 971040, 1017280, 1029180, 1065504, 1068144, 1097792, 1130080, 1132098, 1165395, 1166404, 1200710, 1243088, 1256640, 1320781, 1331880, 1335180, 1356096, 1372240, 1424192, 1440852, 1458005, 1509464, 1525920, 1553860, 1646688, 1695120, 1749606, 1775840, 1780240, 1801065, 1864632, 1886830, 1921136, 1942080, 2041207, 2058360, 2131008, 2136288, 2260160, 2264196, 2330790, 2332808, 2401420, 2486176, 2641562, 2663760, 2670360, 2744480, 2830245, 2881704, 2916010, 3018928, 3051840, 3107720, 3207611, 3293376, 3390240, 3499212, 3551680, 3560480, 3602130, 3729264, 3773660, 3842272, 3962343, 4082414, 4116720, 4272576, 4374015, 4528392, 4661580, 4665616, 4802840, 4972352, 5283124, 5327520, 5340720, 5488960, 5660490, 5763408, 5832020, 6037856, 6123621, 6215440, 6415222, 6603905, 6780480, 6998424, 7120960, 7204260, 7458528, 7547320, 7684544, 7924686, 8164828, 8233440, 8748030, 9056784, 9323160, 9331232, 9605680, 9622833, 10206035, 10566248, 10655040, 10681440, 11320980, 11526816, 11664040, 12075712, 12247242, 12430880, 12830444, 13207810, 13996848, 14408520, 14917056, 15094640, 15849372, 16038055, 16329656, 16466880, 17496060, 18113568, 18646320, 18662464, 19211360, 19245666, 19811715, 20412070, 21132496, 21362880, 22453277, 22641960, 23053632, 23328080, 24494484, 24861760, 25660888, 26415620, 27993696, 28817040, 30189280, 30618105, 31698744, 32076110, 32659312, 34992120, 36227136, 37292640, 38422720, 38491332, 39623430, 40824140, 42264992, 44906554, 45283920, 46656160, 48114165, 48988968, 51321776, 52831240, 55987392, 57634080, 60378560, 61236210, 63397488, 64152220, 65318624, 67359831, 69984240, 74585280, 76982664, 79246860, 81648280, 84529984, 89813108, 90567840, 93312320, 96228330, 97977936, 102643552, 105662480, 112266385, 115268160, 122472420, 126794976, 128304440, 130637248, 134719662, 139968480, 153965328, 158493720, 163296560, 179626216, 181135680, 192456660, 195955872, 205287104, 211324960, 224532770, 244944840, 253589952, 256608880, 269439324, 279936960, 307930656, 316987440, 326593120, 336799155, 359252432, 384913320, 391911744, 422649920, 449065540, 489889680, 513217760, 538878648, 615861312, 633974880, 653186240, 673598310, 718504864, 769826640, 898131080, 979779360, 1026435520, 1077757296, 1267949760, 1347196620, 1437009728, 1539653280, 1796262160, 1959558720, 2155514592, 2694393240, 3079306560, 3592524320, 4311029184, 5388786480, 7185048640, 10777572960, 21555145920]

約数ペア:

[(1, 21555145920), (2, 10777572960), (3, 7185048640), (4, 5388786480), (5, 4311029184), (6, 3592524320), (7, 3079306560), (8, 2694393240), (10, 2155514592), (11, 1959558720), (12, 1796262160), (14, 1539653280), (15, 1437009728), (16, 1347196620), (17, 1267949760), (20, 1077757296), (21, 1026435520), (22, 979779360), (24, 898131080), (28, 769826640), (30, 718504864), (32, 673598310), (33, 653186240), (34, 633974880), (35, 615861312), (40, 538878648), (42, 513217760), (44, 489889680), (48, 449065540), (51, 422649920), (55, 391911744), (56, 384913320), (60, 359252432), (64, 336799155), (66, 326593120), (68, 316987440), (70, 307930656), (77, 279936960), (80, 269439324), (84, 256608880), (85, 253589952), (88, 244944840), (96, 224532770), (102, 211324960), (105, 205287104), (110, 195955872), (112, 192456660), (119, 181135680), (120, 179626216), (132, 163296560), (136, 158493720), (140, 153965328), (154, 139968480), (160, 134719662), (165, 130637248), (168, 128304440), (170, 126794976), (176, 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