21047040

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 360

約数和(自身を含む): 89036640

約数和(自身を除く): 67989600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 64, 70, 72, 80, 81, 84, 87, 90, 96, 105, 108, 112, 116, 120, 126, 128, 135, 140, 144, 145, 160, 162, 168, 174, 180, 189, 192, 203, 210, 216, 224, 232, 240, 252, 256, 261, 270, 280, 288, 290, 315, 320, 324, 336, 348, 360, 378, 384, 405, 406, 420, 432, 435, 448, 464, 480, 504, 522, 540, 560, 567, 576, 580, 609, 630, 640, 648, 672, 696, 720, 756, 768, 783, 810, 812, 840, 864, 870, 896, 928, 945, 960, 1008, 1015, 1044, 1080, 1120, 1134, 1152, 1160, 1218, 1260, 1280, 1296, 1305, 1344, 1392, 1440, 1512, 1566, 1620, 1624, 1680, 1728, 1740, 1792, 1827, 1856, 1890, 1920, 2016, 2030, 2088, 2160, 2240, 2268, 2304, 2320, 2349, 2436, 2520, 2592, 2610, 2688, 2784, 2835, 2880, 3024, 3045, 3132, 3240, 3248, 3360, 3456, 3480, 3654, 3712, 3780, 3840, 3915, 4032, 4060, 4176, 4320, 4480, 4536, 4640, 4698, 4872, 5040, 5184, 5220, 5376, 5481, 5568, 5670, 5760, 6048, 6090, 6264, 6480, 6496, 6720, 6912, 6960, 7308, 7424, 7560, 7830, 8064, 8120, 8352, 8640, 8960, 9072, 9135, 9280, 9396, 9744, 10080, 10368, 10440, 10962, 11136, 11340, 11520, 11745, 12096, 12180, 12528, 12960, 12992, 13440, 13920, 14616, 15120, 15660, 16128, 16240, 16443, 16704, 17280, 18144, 18270, 18560, 18792, 19488, 20160, 20736, 20880, 21924, 22272, 22680, 23490, 24192, 24360, 25056, 25920, 25984, 26880, 27405, 27840, 29232, 30240, 31320, 32480, 32886, 33408, 34560, 36288, 36540, 37120, 37584, 38976, 40320, 41760, 43848, 45360, 46980, 48384, 48720, 50112, 51840, 51968, 54810, 55680, 58464, 60480, 62640, 64960, 65772, 66816, 72576, 73080, 75168, 77952, 80640, 82215, 83520, 87696, 90720, 93960, 97440, 100224, 103680, 109620, 111360, 116928, 120960, 125280, 129920, 131544, 145152, 146160, 150336, 155904, 164430, 167040, 175392, 181440, 187920, 194880, 200448, 219240, 233856, 241920, 250560, 259840, 263088, 292320, 300672, 328860, 334080, 350784, 362880, 375840, 389760, 438480, 467712, 501120, 526176, 584640, 601344, 657720, 701568, 725760, 751680, 779520, 876960, 1002240, 1052352, 1169280, 1315440, 1403136, 1503360, 1753920, 2104704, 2338560, 2630880, 3006720, 3507840, 4209408, 5261760, 7015680, 10523520, 21047040]

約数ペア:

[(1, 21047040), (2, 10523520), (3, 7015680), (4, 5261760), (5, 4209408), (6, 3507840), (7, 3006720), (8, 2630880), (9, 2338560), (10, 2104704), (12, 1753920), (14, 1503360), (15, 1403136), (16, 1315440), (18, 1169280), (20, 1052352), (21, 1002240), (24, 876960), (27, 779520), (28, 751680), (29, 725760), (30, 701568), (32, 657720), (35, 601344), (36, 584640), (40, 526176), (42, 501120), (45, 467712), (48, 438480), (54, 389760), (56, 375840), (58, 362880), (60, 350784), (63, 334080), (64, 328860), (70, 300672), (72, 292320), (80, 263088), (81, 259840), (84, 250560), (87, 241920), (90, 233856), (96, 219240), (105, 200448), (108, 194880), (112, 187920), (116, 181440), (120, 175392), (126, 167040), (128, 164430), (135, 155904), (140, 150336), (144, 146160), (145, 145152), (160, 131544), (162, 129920), (168, 125280), (174, 120960), (180, 116928), (189, 111360), (192, 109620), (203, 103680), (210, 100224), (216, 97440), (224, 93960), (232, 90720), (240, 87696), (252, 83520), (256, 82215), (261, 80640), (270, 77952), (280, 75168), (288, 73080), (290, 72576), (315, 66816), (320, 65772), (324, 64960), (336, 62640), (348, 60480), (360, 58464), (378, 55680), (384, 54810), (405, 51968), (406, 51840), (420, 50112), (432, 48720), (435, 48384), (448, 46980), (464, 45360), (480, 43848), (504, 41760), (522, 40320), (540, 38976), (560, 37584), (567, 37120), (576, 36540), (580, 36288), (609, 34560), (630, 33408), (640, 32886), (648, 32480), (672, 31320), (696, 30240), (720, 29232), (756, 27840), (768, 27405), (783, 26880), (810, 25984), (812, 25920), (840, 25056), (864, 24360), (870, 24192), (896, 23490), (928, 22680), (945, 22272), (960, 21924), (1008, 20880), (1015, 20736), (1044, 20160), (1080, 19488), (1120, 18792), (1134, 18560), (1152, 18270), (1160, 18144), (1218, 17280), (1260, 16704), (1280, 16443), (1296, 16240), (1305, 16128), (1344, 15660), (1392, 15120), (1440, 14616), (1512, 13920), (1566, 13440), (1620, 12992), (1624, 12960), (1680, 12528), (1728, 12180), (1740, 12096), (1792, 11745), (1827, 11520), (1856, 11340), (1890, 11136), (1920, 10962), (2016, 10440), (2030, 10368), (2088, 10080), (2160, 9744), (2240, 9396), (2268, 9280), (2304, 9135), (2320, 9072), (2349, 8960), (2436, 8640), (2520, 8352), (2592, 8120), (2610, 8064), (2688, 7830), (2784, 7560), (2835, 7424), (2880, 7308), (3024, 6960), (3045, 6912), (3132, 6720), (3240, 6496), (3248, 6480), (3360, 6264), (3456, 6090), (3480, 6048), (3654, 5760), (3712, 5670), (3780, 5568), (3840, 5481), (3915, 5376), (4032, 5220), (4060, 5184), (4176, 5040), (4320, 4872), (4480, 4698), (4536, 4640)]