21054091520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11243}}^1$

素因数の和:11301

約数の個数: 288

約数和(自身を含む): 66190279680

約数和(自身を除く): 45136188160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 256, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 640, 665, 704, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1216, 1232, 1280, 1330, 1408, 1463, 1520, 1540, 1672, 1760, 1792, 2090, 2128, 2240, 2432, 2464, 2660, 2816, 2926, 3040, 3080, 3344, 3520, 4180, 4256, 4480, 4864, 4928, 5320, 5852, 6080, 6160, 6688, 7040, 7315, 8360, 8512, 8960, 9856, 10640, 11243, 11704, 12160, 12320, 13376, 14080, 14630, 16720, 17024, 19712, 21280, 22486, 23408, 24320, 24640, 26752, 29260, 33440, 34048, 42560, 44972, 46816, 49280, 53504, 56215, 58520, 66880, 78701, 85120, 89944, 93632, 98560, 112430, 117040, 123673, 133760, 157402, 170240, 179888, 187264, 213617, 224860, 234080, 247346, 267520, 314804, 359776, 374528, 393505, 427234, 449720, 468160, 494692, 618365, 629608, 719552, 787010, 854468, 865711, 899440, 936320, 989384, 1068085, 1236730, 1259216, 1439104, 1495319, 1574020, 1708936, 1731422, 1798880, 1872640, 1978768, 2136170, 2349787, 2473460, 2518432, 2878208, 2990638, 3148040, 3417872, 3462844, 3597760, 3957536, 4272340, 4328555, 4699574, 4946920, 5036864, 5981276, 6296080, 6835744, 6925688, 7195520, 7476595, 7915072, 8544680, 8657110, 9399148, 9893840, 10073728, 11748935, 11962552, 12592160, 13671488, 13851376, 14391040, 14953190, 15830144, 16448509, 17089360, 17314220, 18798296, 19787680, 20147456, 23497870, 23925104, 25184320, 27342976, 27702752, 29906380, 31660288, 32897018, 34178720, 34628440, 37596592, 39575360, 46995740, 47850208, 50368640, 54685952, 55405504, 59812760, 65794036, 68357440, 69256880, 75193184, 79150720, 82242545, 93991480, 95700416, 100737280, 110811008, 119625520, 131588072, 136714880, 138513760, 150386368, 158301440, 164485090, 187982960, 191400832, 221622016, 239251040, 263176144, 273429760, 277027520, 300772736, 328970180, 375965920, 382801664, 478502080, 526352288, 554055040, 601545472, 657940360, 751931840, 957004160, 1052704576, 1108110080, 1315880720, 1503863680, 1914008320, 2105409152, 2631761440, 3007727360, 4210818304, 5263522880, 10527045760, 21054091520]

約数ペア:

[(1, 21054091520), (2, 10527045760), (4, 5263522880), (5, 4210818304), (7, 3007727360), (8, 2631761440), (10, 2105409152), (11, 1914008320), (14, 1503863680), (16, 1315880720), (19, 1108110080), (20, 1052704576), (22, 957004160), (28, 751931840), (32, 657940360), (35, 601545472), (38, 554055040), (40, 526352288), (44, 478502080), (55, 382801664), (56, 375965920), (64, 328970180), (70, 300772736), (76, 277027520), (77, 273429760), (80, 263176144), (88, 239251040), (95, 221622016), (110, 191400832), (112, 187982960), (128, 164485090), (133, 158301440), (140, 150386368), (152, 138513760), (154, 136714880), (160, 131588072), (176, 119625520), (190, 110811008), (209, 100737280), (220, 95700416), (224, 93991480), (256, 82242545), (266, 79150720), (280, 75193184), (304, 69256880), (308, 68357440), (320, 65794036), (352, 59812760), (380, 55405504), (385, 54685952), (418, 50368640), (440, 47850208), (448, 46995740), (532, 39575360), (560, 37596592), (608, 34628440), (616, 34178720), (640, 32897018), (665, 31660288), (704, 29906380), (760, 27702752), (770, 27342976), (836, 25184320), (880, 23925104), (896, 23497870), (1045, 20147456), (1064, 19787680), (1120, 18798296), (1216, 17314220), (1232, 17089360), (1280, 16448509), (1330, 15830144), (1408, 14953190), (1463, 14391040), (1520, 13851376), (1540, 13671488), (1672, 12592160), (1760, 11962552), (1792, 11748935), (2090, 10073728), (2128, 9893840), (2240, 9399148), (2432, 8657110), (2464, 8544680), (2660, 7915072), (2816, 7476595), (2926, 7195520), (3040, 6925688), (3080, 6835744), (3344, 6296080), (3520, 5981276), (4180, 5036864), (4256, 4946920), (4480, 4699574), (4864, 4328555), (4928, 4272340), (5320, 3957536), (5852, 3597760), (6080, 3462844), (6160, 3417872), (6688, 3148040), (7040, 2990638), (7315, 2878208), (8360, 2518432), (8512, 2473460), (8960, 2349787), (9856, 2136170), (10640, 1978768), (11243, 1872640), (11704, 1798880), (12160, 1731422), (12320, 1708936), (13376, 1574020), (14080, 1495319), (14630, 1439104), (16720, 1259216), (17024, 1236730), (19712, 1068085), (21280, 989384), (22486, 936320), (23408, 899440), (24320, 865711), (24640, 854468), (26752, 787010), (29260, 719552), (33440, 629608), (34048, 618365), (42560, 494692), (44972, 468160), (46816, 449720), (49280, 427234), (53504, 393505), (56215, 374528), (58520, 359776), (66880, 314804), (78701, 267520), (85120, 247346), (89944, 234080), (93632, 224860), (98560, 213617), (112430, 187264), (117040, 179888), (123673, 170240), (133760, 157402)]