21215416320

素因数分解:

$2^{12}\times 3^6\times 5^1\times 7^2\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 1092

約数和(自身を含む): 91855348380

約数和(自身を除く): 70639932060

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, 49, 54, 56, 58, 60, 63, 64, 70, 72, 80, 81, 84, 87, 90, 96, 98, 105, 108, 112, 116, 120, 126, 128, 135, 140, 144, 145, 147, 160, 162, 168, 174, 180, 189, 192, 196, 203, 210, 216, 224, 232, 240, 243, 245, 252, 256, 261, 270, 280, 288, 290, 294, 315, 320, 324, 336, 348, 360, 378, 384, 392, 405, 406, 420, 432, 435, 441, 448, 464, 480, 486, 490, 504, 512, 522, 540, 560, 567, 576, 580, 588, 609, 630, 640, 648, 672, 696, 720, 729, 735, 756, 768, 783, 784, 810, 812, 840, 864, 870, 882, 896, 928, 945, 960, 972, 980, 1008, 1015, 1024, 1044, 1080, 1120, 1134, 1152, 1160, 1176, 1215, 1218, 1260, 1280, 1296, 1305, 1323, 1344, 1392, 1421, 1440, 1458, 1470, 1512, 1536, 1566, 1568, 1620, 1624, 1680, 1701, 1728, 1740, 1764, 1792, 1827, 1856, 1890, 1920, 1944, 1960, 2016, 2030, 2048, 2088, 2160, 2205, 2240, 2268, 2304, 2320, 2349, 2352, 2430, 2436, 2520, 2560, 2592, 2610, 2646, 2688, 2784, 2835, 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322560, 326592, 328860, 331776, 334080, 338256, 338688, 341040, 345303, 350784, 356352, 357210, 362880, 363776, 373248, 375840, 376320, 381024, 383670, 387072, 389760, 394632, 400896, 408240, 409248, 414720, 415744, 422820, 423360, 430080, 435456, 438480, 445440, 451008, 451584, 454720, 460404, 466560, 467712, 476280, 483840, 493290, 497664, 501120, 501760, 508032, 511560, 519680, 526176, 534528, 544320, 545664, 552960, 563760, 564480, 571536, 575505, 580608, 584640, 591948, 593920, 601344, 602112, 613872, 622080, 623616, 635040, 645120, 653184, 657720, 668160, 676512, 677376, 682080, 690606, 701568, 714420, 725760, 727552, 739935, 746496, 751680, 752640, 762048, 767340, 774144, 779520, 789264, 801792, 816480, 818496, 829440, 831488, 845640, 846720, 870912, 876960, 890880, 902016, 903168, 909440, 920808, 933120, 935424, 952560, 967680, 986580, 995328, 1002240, 1003520, 1016064, 1023120, 1035909, 1039360, 1052352, 1069056, 1088640, 1091328, 1127520, 1128960, 1143072, 1151010, 1161216, 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4572288, 4604040, 4677120, 4735584, 4810752, 4910976, 4976640, 5080320, 5179545, 5225472, 5261760, 5345280, 5412096, 5419008, 5456640, 5524848, 5612544, 5715360, 5806080, 5820416, 5919480, 6013440, 6096384, 6138720, 6236160, 6314112, 6531840, 6547968, 6765120, 6773760, 6906060, 6967296, 7015680, 7216128, 7275520, 7366464, 7464960, 7483392, 7620480, 7892640, 8017920, 8128512, 8184960, 8287272, 8418816, 8709120, 8730624, 9020160, 9031680, 9144576, 9208080, 9354240, 9471168, 9621504, 9821952, 10160640, 10359090, 10450944, 10523520, 10824192, 10913280, 11049696, 11225088, 11430720, 11612160, 11838960, 12026880, 12192768, 12277440, 12472320, 12628224, 13063680, 13095936, 13530240, 13547520, 13812120, 14031360, 14432256, 14551040, 14732928, 14929920, 15240960, 15785280, 16035840, 16257024, 16369920, 16574544, 16837632, 17418240, 17461248, 18040320, 18289152, 18416160, 18708480, 18942336, 19643904, 20321280, 20718180, 20901888, 21047040, 21648384, 21826560, 22099392, 22450176, 22861440, 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約数ペア:

[(1, 21215416320), (2, 10607708160), (3, 7071805440), (4, 5303854080), (5, 4243083264), (6, 3535902720), (7, 3030773760), (8, 2651927040), (9, 2357268480), (10, 2121541632), (12, 1767951360), (14, 1515386880), (15, 1414361088), (16, 1325963520), (18, 1178634240), (20, 1060770816), (21, 1010257920), (24, 883975680), (27, 785756160), (28, 757693440), (29, 731566080), (30, 707180544), (32, 662981760), (35, 606154752), (36, 589317120), (40, 530385408), (42, 505128960), (45, 471453696), (48, 441987840), (49, 432967680), (54, 392878080), (56, 378846720), (58, 365783040), (60, 353590272), (63, 336752640), (64, 331490880), (70, 303077376), (72, 294658560), (80, 265192704), (81, 261918720), (84, 252564480), (87, 243855360), (90, 235726848), (96, 220993920), (98, 216483840), (105, 202051584), (108, 196439040), (112, 189423360), (116, 182891520), (120, 176795136), (126, 168376320), (128, 165745440), (135, 157151232), (140, 151538688), (144, 147329280), (145, 146313216), (147, 144322560), (160, 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