21397184640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 768

約数和(自身を含む): 87088089600

約数和(自身を除く): 65690904960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 108, 117, 120, 128, 130, 135, 136, 144, 153, 156, 160, 169, 170, 180, 192, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 288, 306, 312, 320, 338, 340, 351, 360, 384, 390, 408, 416, 431, 432, 442, 459, 468, 480, 507, 510, 520, 540, 544, 576, 585, 612, 624, 640, 663, 676, 680, 702, 720, 765, 780, 816, 832, 845, 862, 864, 884, 918, 936, 960, 1014, 1020, 1040, 1080, 1088, 1105, 1152, 1170, 1224, 1248, 1293, 1326, 1352, 1360, 1404, 1440, 1521, 1530, 1560, 1632, 1664, 1690, 1724, 1728, 1755, 1768, 1836, 1872, 1920, 1989, 2028, 2040, 2080, 2155, 2160, 2176, 2210, 2295, 2340, 2448, 2496, 2535, 2586, 2652, 2704, 2720, 2808, 2873, 2880, 3042, 3060, 3120, 3264, 3315, 3380, 3448, 3456, 3510, 3536, 3672, 3744, 3879, 3978, 4056, 4080, 4160, 4310, 4320, 4420, 4563, 4590, 4680, 4896, 4992, 5070, 5172, 5304, 5408, 5440, 5603, 5616, 5746, 5760, 5967, 6084, 6120, 6240, 6465, 6528, 6630, 6760, 6896, 7020, 7072, 7327, 7344, 7488, 7605, 7758, 7956, 8112, 8160, 8320, 8619, 8620, 8640, 8840, 9126, 9180, 9360, 9792, 9945, 10140, 10344, 10608, 10816, 10880, 11206, 11232, 11492, 11637, 11934, 12168, 12240, 12480, 12930, 13260, 13520, 13792, 14040, 14144, 14365, 14654, 14688, 14976, 15210, 15516, 15912, 16224, 16320, 16809, 17238, 17240, 17280, 17680, 18252, 18360, 18720, 19395, 19584, 19890, 20280, 20688, 21216, 21632, 21981, 22412, 22464, 22815, 22984, 23274, 23868, 24336, 24480, 24960, 25857, 25860, 26520, 27040, 27584, 28015, 28080, 28288, 28730, 29308, 29376, 29835, 30420, 31032, 31824, 32448, 32640, 33618, 34476, 34480, 35360, 36504, 36635, 36720, 37440, 38790, 39780, 40560, 41376, 42432, 43095, 43962, 44824, 44928, 45630, 45968, 46548, 47736, 48672, 48960, 50427, 51714, 51720, 53040, 54080, 55168, 56030, 56160, 57460, 58185, 58616, 58752, 59670, 60840, 62064, 63648, 64896, 65943, 67236, 68952, 68960, 70720, 72839, 73008, 73270, 73440, 74880, 77571, 77580, 79560, 81120, 82752, 84045, 84864, 86190, 87924, 89648, 91260, 91936, 93096, 95251, 95472, 97344, 97920, 100854, 103428, 103440, 106080, 108160, 109905, 112060, 112320, 114920, 116370, 117232, 119340, 121680, 124128, 127296, 129285, 131886, 134472, 137904, 137920, 141440, 145678, 146016, 146540, 146880, 151281, 155142, 155160, 159120, 162240, 165504, 168090, 172380, 175848, 179296, 182520, 183872, 186192, 190502, 190944, 194688, 197829, 201708, 206856, 206880, 212160, 218517, 219810, 224120, 224640, 229840, 232740, 234464, 238680, 243360, 248256, 252135, 254592, 258570, 263772, 268944, 275808, 275840, 285753, 291356, 292032, 293080, 293760, 302562, 310284, 310320, 318240, 324480, 329715, 336180, 344760, 351696, 358592, 364195, 365040, 367744, 372384, 381004, 381888, 387855, 395658, 403416, 413712, 413760, 424320, 437034, 439620, 448240, 459680, 465480, 468928, 476255, 477360, 486720, 496512, 504270, 517140, 527544, 537888, 551616, 571506, 582712, 584064, 586160, 605124, 620568, 620640, 636480, 655551, 659430, 672360, 689520, 703392, 717184, 728390, 730080, 744768, 756405, 762008, 763776, 775710, 791316, 806832, 827424, 827520, 857259, 874068, 879240, 896480, 919360, 930960, 937856, 952510, 954720, 973440, 989145, 1008540, 1034280, 1055088, 1075776, 1092585, 1103232, 1143012, 1165424, 1172320, 1210248, 1238263, 1241136, 1241280, 1272960, 1311102, 1318860, 1344720, 1379040, 1406784, 1428765, 1456780, 1460160, 1489536, 1512810, 1524016, 1551420, 1582632, 1613664, 1654848, 1714518, 1748136, 1758480, 1792960, 1838720, 1861920, 1905020, 1909440, 1966653, 1978290, 2017080, 2068560, 2110176, 2151552, 2185170, 2286024, 2330848, 2344640, 2420496, 2476526, 2482272, 2482560, 2571777, 2622204, 2637720, 2689440, 2758080, 2813568, 2857530, 2913560, 2920320, 3025620, 3048032, 3102840, 3165264, 3227328, 3277755, 3309696, 3429036, 3496272, 3516960, 3585920, 3714789, 3723840, 3810040, 3818880, 3933306, 3956580, 4034160, 4137120, 4220352, 4286295, 4370340, 4572048, 4661696, 4689280, 4840992, 4953052, 4964544, 5143554, 5244408, 5275440, 5378880, 5516160, 5715060, 5827120, 6051240, 6096064, 6191315, 6205680, 6330528, 6454656, 6555510, 6858072, 6992544, 7033920, 7429578, 7447680, 7620080, 7866612, 7913160, 8068320, 8274240, 8440704, 8572590, 8740680, 9144096, 9323392, 9681984, 9833265, 9906104, 9929088, 10287108, 10488816, 10550880, 10757760, 11144367, 11430120, 11654240, 12102480, 12192128, 12382630, 12411360, 12661056, 12858885, 13111020, 13716144, 13985088, 14067840, 14859156, 15240160, 15733224, 15826320, 16136640, 16548480, 17145180, 17481360, 18288192, 18573945, 19363968, 19666530, 19812208, 20574216, 20977632, 21101760, 22288734, 22860240, 23308480, 24204960, 24765260, 24822720, 25322112, 25717770, 26222040, 27432288, 27970176, 29718312, 30480320, 31466448, 31652640, 32273280, 33433101, 34290360, 34962720, 36576384, 37147890, 39333060, 39624416, 41148432, 41955264, 42203520, 44577468, 45720480, 46616960, 48409920, 49530520, 49645440, 51435540, 52444080, 54864576, 55721835, 59436624, 60960640, 62932896, 63305280, 66866202, 68580720, 69925440, 74295780, 78666120, 79248832, 82296864, 83910528, 89154936, 91440960, 96819840, 99061040, 102871080, 104888160, 109729152, 111443670, 118873248, 125865792, 126610560, 133732404, 137161440, 139850880, 148591560, 157332240, 158497664, 164593728, 167165505, 178309872, 182881920, 198122080, 205742160, 209776320, 222887340, 237746496, 251731584, 267464808, 274322880, 297183120, 314664480, 329187456, 334331010, 356619744, 396244160, 411484320, 419552640, 445774680, 475492992, 534929616, 548645760, 594366240, 629328960, 668662020, 713239488, 792488320, 822968640, 891549360, 1069859232, 1188732480, 1258657920, 1337324040, 1426478976, 1645937280, 1783098720, 2139718464, 2377464960, 2674648080, 3566197440, 4279436928, 5349296160, 7132394880, 10698592320, 21397184640]

約数ペア:

[(1, 21397184640), (2, 10698592320), (3, 7132394880), (4, 5349296160), (5, 4279436928), (6, 3566197440), (8, 2674648080), (9, 2377464960), (10, 2139718464), (12, 1783098720), (13, 1645937280), (15, 1426478976), (16, 1337324040), (17, 1258657920), (18, 1188732480), (20, 1069859232), (24, 891549360), (26, 822968640), (27, 792488320), (30, 713239488), (32, 668662020), (34, 629328960), (36, 594366240), (39, 548645760), (40, 534929616), (45, 475492992), (48, 445774680), (51, 419552640), (52, 411484320), (54, 396244160), (60, 356619744), (64, 334331010), (65, 329187456), (68, 314664480), (72, 297183120), (78, 274322880), (80, 267464808), (85, 251731584), (90, 237746496), (96, 222887340), (102, 209776320), (104, 205742160), (108, 198122080), (117, 182881920), (120, 178309872), (128, 167165505), (130, 164593728), (135, 158497664), (136, 157332240), (144, 148591560), (153, 139850880), (156, 137161440), (160, 133732404), (169, 126610560), (170, 125865792), (180, 118873248), (192, 111443670), (195, 109729152), (204, 104888160), (208, 102871080), (216, 99061040), (221, 96819840), (234, 91440960), (240, 89154936), (255, 83910528), (260, 82296864), (270, 79248832), (272, 78666120), (288, 74295780), (306, 69925440), (312, 68580720), (320, 66866202), (338, 63305280), (340, 62932896), (351, 60960640), (360, 59436624), (384, 55721835), (390, 54864576), (408, 52444080), (416, 51435540), (431, 49645440), (432, 49530520), (442, 48409920), (459, 46616960), (468, 45720480), (480, 44577468), (507, 42203520), (510, 41955264), (520, 41148432), (540, 39624416), (544, 39333060), (576, 37147890), (585, 36576384), (612, 34962720), (624, 34290360), (640, 33433101), (663, 32273280), (676, 31652640), (680, 31466448), (702, 30480320), (720, 29718312), (765, 27970176), (780, 27432288), (816, 26222040), (832, 25717770), (845, 25322112), (862, 24822720), (864, 24765260), (884, 24204960), (918, 23308480), (936, 22860240), (960, 22288734), (1014, 21101760), (1020, 20977632), (1040, 20574216), (1080, 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(29376, 728390), (29835, 717184), (30420, 703392), (31032, 689520), (31824, 672360), (32448, 659430), (32640, 655551), (33618, 636480), (34476, 620640), (34480, 620568), (35360, 605124), (36504, 586160), (36635, 584064), (36720, 582712), (37440, 571506), (38790, 551616), (39780, 537888), (40560, 527544), (41376, 517140), (42432, 504270), (43095, 496512), (43962, 486720), (44824, 477360), (44928, 476255), (45630, 468928), (45968, 465480), (46548, 459680), (47736, 448240), (48672, 439620), (48960, 437034), (50427, 424320), (51714, 413760), (51720, 413712), (53040, 403416), (54080, 395658), (55168, 387855), (56030, 381888), (56160, 381004), (57460, 372384), (58185, 367744), (58616, 365040), (58752, 364195), (59670, 358592), (60840, 351696), (62064, 344760), (63648, 336180), (64896, 329715), (65943, 324480), (67236, 318240), (68952, 310320), (68960, 310284), (70720, 302562), (72839, 293760), (73008, 293080), (73270, 292032), (73440, 291356), (74880, 285753), (77571, 275840), (77580, 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