21000688128

素因数分解:

$2^9\times 3^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 640

約数和(自身を含む): 74899968000

約数和(自身を除く): 53899279872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 49, 54, 56, 63, 64, 72, 84, 86, 96, 98, 103, 108, 112, 126, 128, 129, 144, 147, 168, 172, 189, 192, 196, 206, 216, 224, 252, 256, 258, 288, 294, 301, 309, 336, 343, 344, 378, 384, 387, 392, 412, 432, 441, 448, 504, 512, 516, 576, 588, 602, 618, 672, 686, 688, 721, 756, 768, 774, 784, 824, 864, 882, 896, 903, 927, 1008, 1029, 1032, 1152, 1161, 1176, 1204, 1236, 1323, 1344, 1372, 1376, 1442, 1512, 1536, 1548, 1568, 1648, 1728, 1764, 1792, 1806, 1854, 2016, 2058, 2064, 2107, 2163, 2304, 2322, 2352, 2408, 2472, 2646, 2688, 2709, 2744, 2752, 2781, 2884, 3024, 3087, 3096, 3136, 3296, 3456, 3528, 3584, 3612, 3708, 4032, 4116, 4128, 4214, 4326, 4429, 4608, 4644, 4704, 4816, 4944, 5047, 5292, 5376, 5418, 5488, 5504, 5562, 5768, 6048, 6174, 6192, 6272, 6321, 6489, 6592, 6912, 7056, 7224, 7416, 8064, 8127, 8232, 8256, 8428, 8652, 8858, 9261, 9288, 9408, 9632, 9888, 10094, 10584, 10752, 10836, 10976, 11008, 11124, 11536, 12096, 12348, 12384, 12544, 12642, 12978, 13184, 13287, 13824, 14112, 14448, 14749, 14832, 15141, 16128, 16254, 16464, 16512, 16856, 17304, 17716, 18522, 18576, 18816, 18963, 19264, 19467, 19776, 20188, 21168, 21672, 21952, 22016, 22248, 23072, 24192, 24696, 24768, 25088, 25284, 25956, 26368, 26574, 28224, 28896, 29498, 29664, 30282, 31003, 32256, 32508, 32928, 33024, 33712, 34608, 35329, 35432, 37044, 37152, 37632, 37926, 38528, 38934, 39552, 39861, 40376, 42336, 43344, 43904, 44247, 44496, 45423, 46144, 48384, 49392, 49536, 50568, 51912, 52736, 53148, 56448, 56889, 57792, 58996, 59328, 60564, 62006, 65016, 65856, 66048, 67424, 69216, 70658, 70864, 74088, 74304, 75264, 75852, 77056, 77868, 79104, 79722, 80752, 84672, 86688, 87808, 88494, 88992, 90846, 92288, 93009, 96768, 98784, 99072, 101136, 103824, 105987, 106296, 112896, 113778, 115584, 117992, 118656, 119583, 121128, 124012, 130032, 131712, 132741, 134848, 136269, 138432, 141316, 141728, 148176, 148608, 151704, 154112, 155736, 158208, 159444, 161504, 169344, 173376, 175616, 176988, 177984, 181692, 184576, 186018, 197568, 198144, 202272, 207648, 211974, 212592, 217021, 225792, 227556, 231168, 235984, 237312, 239166, 242256, 248024, 260064, 263424, 265482, 269696, 272538, 276864, 279027, 282632, 283456, 296352, 297216, 303408, 311472, 317961, 318888, 323008, 338688, 346752, 353976, 355968, 363384, 369152, 372036, 395136, 398223, 404544, 415296, 423948, 425184, 434042, 455112, 462336, 471968, 474624, 478332, 484512, 496048, 520128, 526848, 530964, 539392, 545076, 553728, 558054, 565264, 566912, 592704, 594432, 606816, 622944, 635922, 637776, 646016, 651063, 677376, 693504, 707952, 711936, 726768, 744072, 790272, 796446, 809088, 830592, 837081, 847896, 850368, 868084, 910224, 943936, 953883, 956664, 969024, 992096, 1040256, 1061928, 1078784, 1090152, 1107456, 1116108, 1130528, 1133824, 1185408, 1213632, 1245888, 1271844, 1275552, 1292032, 1302126, 1387008, 1415904, 1423872, 1453536, 1488144, 1519147, 1580544, 1592892, 1618176, 1661184, 1674162, 1695792, 1700736, 1736168, 1820448, 1887872, 1907766, 1913328, 1938048, 1953189, 1984192, 2080512, 2123856, 2180304, 2232216, 2261056, 2267648, 2370816, 2427264, 2491776, 2543688, 2551104, 2584064, 2604252, 2831808, 2907072, 2976288, 3038294, 3185784, 3236352, 3322368, 3348324, 3391584, 3401472, 3472336, 3640896, 3775744, 3815532, 3826656, 3876096, 3906378, 3968384, 4161024, 4247712, 4360608, 4464432, 4522112, 4557441, 4741632, 4854528, 4983552, 5087376, 5102208, 5208504, 5663616, 5814144, 5859567, 5952576, 6076588, 6371568, 6696648, 6783168, 6802944, 6944672, 7281792, 7551488, 7631064, 7653312, 7752192, 7812756, 7936768, 8495424, 8721216, 8928864, 9044224, 9114882, 9709056, 9967104, 10174752, 10204416, 10417008, 11327232, 11628288, 11719134, 11905152, 12153176, 12743136, 13393296, 13566336, 13672323, 13889344, 14563584, 15262128, 15306624, 15625512, 15873536, 16990848, 17442432, 17857728, 18088448, 18229764, 20349504, 20408832, 20834016, 22654464, 23256576, 23438268, 23810304, 24306352, 25486272, 26786592, 27132672, 27344646, 27778688, 29127168, 30524256, 30613248, 31251024, 33981696, 34884864, 35715456, 36459528, 40699008, 41016969, 41668032, 46876536, 47620608, 48612704, 50972544, 53573184, 54265344, 54689292, 55557376, 61048512, 61226496, 62502048, 67963392, 69769728, 71430912, 72919056, 81398016, 82033938, 83336064, 93753072, 97225408, 101945088, 107146368, 109378584, 111114752, 122097024, 125004096, 142861824, 145838112, 162796032, 164067876, 166672128, 187506144, 194450816, 203890176, 214292736, 218757168, 244194048, 250008192, 291676224, 328135752, 333344256, 375012288, 388901632, 428585472, 437514336, 488388096, 500016384, 583352448, 656271504, 750024576, 777803264, 875028672, 1000032768, 1166704896, 1312543008, 1500049152, 1750057344, 2333409792, 2625086016, 3000098304, 3500114688, 5250172032, 7000229376, 10500344064, 21000688128]

約数ペア:

[(1, 21000688128), (2, 10500344064), (3, 7000229376), (4, 5250172032), (6, 3500114688), (7, 3000098304), (8, 2625086016), (9, 2333409792), (12, 1750057344), (14, 1500049152), (16, 1312543008), (18, 1166704896), (21, 1000032768), (24, 875028672), (27, 777803264), (28, 750024576), (32, 656271504), (36, 583352448), (42, 500016384), (43, 488388096), (48, 437514336), (49, 428585472), (54, 388901632), (56, 375012288), (63, 333344256), (64, 328135752), (72, 291676224), (84, 250008192), (86, 244194048), (96, 218757168), (98, 214292736), (103, 203890176), (108, 194450816), (112, 187506144), (126, 166672128), (128, 164067876), (129, 162796032), (144, 145838112), (147, 142861824), (168, 125004096), (172, 122097024), (189, 111114752), (192, 109378584), (196, 107146368), (206, 101945088), (216, 97225408), (224, 93753072), (252, 83336064), (256, 82033938), (258, 81398016), (288, 72919056), (294, 71430912), (301, 69769728), (309, 67963392), (336, 62502048), (343, 61226496), (344, 61048512), (378, 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9114882), (2322, 9044224), (2352, 8928864), (2408, 8721216), (2472, 8495424), (2646, 7936768), (2688, 7812756), (2709, 7752192), (2744, 7653312), (2752, 7631064), (2781, 7551488), (2884, 7281792), (3024, 6944672), (3087, 6802944), (3096, 6783168), (3136, 6696648), (3296, 6371568), (3456, 6076588), (3528, 5952576), (3584, 5859567), (3612, 5814144), (3708, 5663616), (4032, 5208504), (4116, 5102208), (4128, 5087376), (4214, 4983552), (4326, 4854528), (4429, 4741632), (4608, 4557441), (4644, 4522112), (4704, 4464432), (4816, 4360608), (4944, 4247712), (5047, 4161024), (5292, 3968384), (5376, 3906378), (5418, 3876096), (5488, 3826656), (5504, 3815532), (5562, 3775744), (5768, 3640896), (6048, 3472336), (6174, 3401472), (6192, 3391584), (6272, 3348324), (6321, 3322368), (6489, 3236352), (6592, 3185784), (6912, 3038294), (7056, 2976288), (7224, 2907072), (7416, 2831808), (8064, 2604252), (8127, 2584064), (8232, 2551104), (8256, 2543688), (8428, 2491776), (8652, 2427264), (8858, 2370816), (9261, 2267648), (9288, 2261056), (9408, 2232216), (9632, 2180304), (9888, 2123856), (10094, 2080512), (10584, 1984192), (10752, 1953189), (10836, 1938048), (10976, 1913328), (11008, 1907766), (11124, 1887872), (11536, 1820448), (12096, 1736168), (12348, 1700736), (12384, 1695792), (12544, 1674162), (12642, 1661184), (12978, 1618176), (13184, 1592892), (13287, 1580544), (13824, 1519147), (14112, 1488144), (14448, 1453536), (14749, 1423872), (14832, 1415904), (15141, 1387008), (16128, 1302126), (16254, 1292032), (16464, 1275552), (16512, 1271844), (16856, 1245888), (17304, 1213632), (17716, 1185408), (18522, 1133824), (18576, 1130528), (18816, 1116108), (18963, 1107456), (19264, 1090152), (19467, 1078784), (19776, 1061928), (20188, 1040256), (21168, 992096), (21672, 969024), (21952, 956664), (22016, 953883), (22248, 943936), (23072, 910224), (24192, 868084), (24696, 850368), (24768, 847896), (25088, 837081), (25284, 830592), (25956, 809088), (26368, 796446), (26574, 790272), (28224, 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(80752, 260064), (84672, 248024), (86688, 242256), (87808, 239166), (88494, 237312), (88992, 235984), (90846, 231168), (92288, 227556), (93009, 225792), (96768, 217021), (98784, 212592), (99072, 211974), (101136, 207648), (103824, 202272), (105987, 198144), (106296, 197568), (112896, 186018), (113778, 184576), (115584, 181692), (117992, 177984), (118656, 176988), (119583, 175616), (121128, 173376), (124012, 169344), (130032, 161504), (131712, 159444), (132741, 158208), (134848, 155736), (136269, 154112), (138432, 151704), (141316, 148608), (141728, 148176)]