21397409280

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23813}}^1$

素因数の和:23858

約数の個数: 320

約数和(自身を含む): 81855385920

約数和(自身を除く): 60457976640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 512, 520, 540, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1280, 1404, 1440, 1536, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2304, 2340, 2496, 2560, 2808, 2880, 3120, 3328, 3456, 3510, 3744, 3840, 4160, 4320, 4608, 4680, 4992, 5616, 5760, 6240, 6656, 6912, 7020, 7488, 7680, 8320, 8640, 9360, 9984, 11232, 11520, 12480, 13824, 14040, 14976, 16640, 17280, 18720, 19968, 22464, 23040, 23813, 24960, 28080, 29952, 33280, 34560, 37440, 44928, 47626, 49920, 56160, 59904, 69120, 71439, 74880, 89856, 95252, 99840, 112320, 119065, 142878, 149760, 179712, 190504, 214317, 224640, 238130, 285756, 299520, 309569, 357195, 381008, 428634, 449280, 476260, 571512, 619138, 642951, 714390, 762016, 857268, 898560, 928707, 952520, 1071585, 1143024, 1238276, 1285902, 1428780, 1524032, 1547845, 1714536, 1857414, 1905040, 2143170, 2286048, 2476552, 2571804, 2786121, 2857560, 3048064, 3095690, 3214755, 3429072, 3714828, 3810080, 4286340, 4572096, 4643535, 4953104, 5143608, 5572242, 5715120, 6096128, 6191380, 6429510, 6858144, 7429656, 7620160, 8358363, 8572680, 9144192, 9287070, 9906208, 10287216, 11144484, 11430240, 12192256, 12382760, 12859020, 13716288, 13930605, 14859312, 15240320, 16716726, 17145360, 18288384, 18574140, 19812416, 20574432, 22288968, 22860480, 24765520, 25718040, 27432576, 27861210, 29718624, 30480640, 33433452, 34290720, 36576768, 37148280, 39624832, 41148864, 41791815, 44577936, 45720960, 49531040, 51436080, 54865152, 55722420, 59437248, 60961280, 66866904, 68581440, 74296560, 79249664, 82297728, 83583630, 89155872, 91441920, 99062080, 102872160, 109730304, 111444840, 118874496, 133733808, 137162880, 148593120, 158499328, 164595456, 167167260, 178311744, 182883840, 198124160, 205744320, 222889680, 237748992, 267467616, 274325760, 297186240, 329190912, 334334520, 356623488, 396248320, 411488640, 445779360, 475497984, 534935232, 548651520, 594372480, 668669040, 713246976, 792496640, 822977280, 891558720, 1069870464, 1188744960, 1337338080, 1426493952, 1645954560, 1783117440, 2139740928, 2377489920, 2674676160, 3566234880, 4279481856, 5349352320, 7132469760, 10698704640, 21397409280]

約数ペア:

[(1, 21397409280), (2, 10698704640), (3, 7132469760), (4, 5349352320), (5, 4279481856), (6, 3566234880), (8, 2674676160), (9, 2377489920), (10, 2139740928), (12, 1783117440), (13, 1645954560), (15, 1426493952), (16, 1337338080), (18, 1188744960), (20, 1069870464), (24, 891558720), (26, 822977280), (27, 792496640), (30, 713246976), (32, 668669040), (36, 594372480), (39, 548651520), (40, 534935232), (45, 475497984), (48, 445779360), (52, 411488640), (54, 396248320), (60, 356623488), (64, 334334520), (65, 329190912), (72, 297186240), (78, 274325760), (80, 267467616), (90, 237748992), (96, 222889680), (104, 205744320), (108, 198124160), (117, 182883840), (120, 178311744), (128, 167167260), (130, 164595456), (135, 158499328), (144, 148593120), (156, 137162880), (160, 133733808), (180, 118874496), (192, 111444840), (195, 109730304), (208, 102872160), (216, 99062080), (234, 91441920), (240, 89155872), (256, 83583630), (260, 82297728), (270, 79249664), (288, 74296560), (312, 68581440), (320, 66866904), (351, 60961280), (360, 59437248), (384, 55722420), (390, 54865152), (416, 51436080), (432, 49531040), (468, 45720960), (480, 44577936), (512, 41791815), (520, 41148864), (540, 39624832), (576, 37148280), (585, 36576768), (624, 34290720), (640, 33433452), (702, 30480640), (720, 29718624), (768, 27861210), (780, 27432576), (832, 25718040), (864, 24765520), (936, 22860480), (960, 22288968), (1040, 20574432), (1080, 19812416), (1152, 18574140), (1170, 18288384), (1248, 17145360), (1280, 16716726), (1404, 15240320), (1440, 14859312), (1536, 13930605), (1560, 13716288), (1664, 12859020), (1728, 12382760), (1755, 12192256), (1872, 11430240), (1920, 11144484), (2080, 10287216), (2160, 9906208), (2304, 9287070), (2340, 9144192), (2496, 8572680), (2560, 8358363), (2808, 7620160), (2880, 7429656), (3120, 6858144), (3328, 6429510), (3456, 6191380), (3510, 6096128), (3744, 5715120), (3840, 5572242), (4160, 5143608), (4320, 4953104), (4608, 4643535), (4680, 4572096), (4992, 4286340), (5616, 3810080), (5760, 3714828), (6240, 3429072), (6656, 3214755), (6912, 3095690), (7020, 3048064), (7488, 2857560), (7680, 2786121), (8320, 2571804), (8640, 2476552), (9360, 2286048), (9984, 2143170), (11232, 1905040), (11520, 1857414), (12480, 1714536), (13824, 1547845), (14040, 1524032), (14976, 1428780), (16640, 1285902), (17280, 1238276), (18720, 1143024), (19968, 1071585), (22464, 952520), (23040, 928707), (23813, 898560), (24960, 857268), (28080, 762016), (29952, 714390), (33280, 642951), (34560, 619138), (37440, 571512), (44928, 476260), (47626, 449280), (49920, 428634), (56160, 381008), (59904, 357195), (69120, 309569), (71439, 299520), (74880, 285756), (89856, 238130), (95252, 224640), (99840, 214317), (112320, 190504), (119065, 179712), (142878, 149760)]