21055991040

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{87037}}^1$

素因数の和:87074

約数の個数: 288

約数和(自身を含む): 85394722560

約数和(自身を除く): 64338731520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 87037, 120960, 174074, 241920, 261111, 348148, 435185, 522222, 609259, 696296, 783333, 870370, 1044444, 1218518, 1305555, 1392592, 1566666, 1740740, 1827777, 2088888, 2349999, 2437036, 2611110, 2785184, 3046295, 3133332, 3481480, 3655554, 3916665, 4177776, 4699998, 4874072, 5222220, 5483331, 5570368, 6092590, 6266664, 6962960, 7311108, 7833330, 8355552, 9138885, 9399996, 9748144, 10444440, 10966662, 11140736, 11749995, 12185180, 12533328, 13925920, 14622216, 15666660, 16449993, 16711104, 18277770, 18799992, 19496288, 20888880, 21933324, 22281472, 23499990, 24370360, 25066656, 27416655, 27851840, 29244432, 31333320, 32899986, 33422208, 36555540, 37599984, 38992576, 41777760, 43866648, 46999980, 48740720, 50133312, 54833310, 55703680, 58488864, 62666640, 65799972, 66844416, 73111080, 75199968, 77985152, 82249965, 83555520, 87733296, 93999960, 97481440, 100266624, 109666620, 111407360, 116977728, 125333280, 131599944, 146222160, 150399936, 155970304, 164499930, 167111040, 175466592, 187999920, 194962880, 200533248, 219333240, 233955456, 250666560, 263199888, 292444320, 300799872, 328999860, 334222080, 350933184, 375999840, 389925760, 438666480, 467910912, 501333120, 526399776, 584888640, 601599744, 657999720, 701866368, 751999680, 779851520, 877332960, 1002666240, 1052799552, 1169777280, 1315999440, 1403732736, 1503999360, 1754665920, 2105599104, 2339554560, 2631998880, 3007998720, 3509331840, 4211198208, 5263997760, 7018663680, 10527995520, 21055991040]

約数ペア:

[(1, 21055991040), (2, 10527995520), (3, 7018663680), (4, 5263997760), (5, 4211198208), (6, 3509331840), (7, 3007998720), (8, 2631998880), (9, 2339554560), (10, 2105599104), (12, 1754665920), (14, 1503999360), (15, 1403732736), (16, 1315999440), (18, 1169777280), (20, 1052799552), (21, 1002666240), (24, 877332960), (27, 779851520), (28, 751999680), (30, 701866368), (32, 657999720), (35, 601599744), (36, 584888640), (40, 526399776), (42, 501333120), (45, 467910912), (48, 438666480), (54, 389925760), (56, 375999840), (60, 350933184), (63, 334222080), (64, 328999860), (70, 300799872), (72, 292444320), (80, 263199888), (84, 250666560), (90, 233955456), (96, 219333240), (105, 200533248), (108, 194962880), (112, 187999920), (120, 175466592), (126, 167111040), (128, 164499930), (135, 155970304), (140, 150399936), (144, 146222160), (160, 131599944), (168, 125333280), (180, 116977728), (189, 111407360), (192, 109666620), (210, 100266624), (216, 97481440), (224, 93999960), (240, 87733296), (252, 83555520), (256, 82249965), (270, 77985152), (280, 75199968), (288, 73111080), (315, 66844416), (320, 65799972), (336, 62666640), (360, 58488864), (378, 55703680), (384, 54833310), (420, 50133312), (432, 48740720), (448, 46999980), (480, 43866648), (504, 41777760), (540, 38992576), (560, 37599984), (576, 36555540), (630, 33422208), (640, 32899986), (672, 31333320), (720, 29244432), (756, 27851840), (768, 27416655), (840, 25066656), (864, 24370360), (896, 23499990), (945, 22281472), (960, 21933324), (1008, 20888880), (1080, 19496288), (1120, 18799992), (1152, 18277770), (1260, 16711104), (1280, 16449993), (1344, 15666660), (1440, 14622216), (1512, 13925920), (1680, 12533328), (1728, 12185180), (1792, 11749995), (1890, 11140736), (1920, 10966662), (2016, 10444440), (2160, 9748144), (2240, 9399996), (2304, 9138885), (2520, 8355552), (2688, 7833330), (2880, 7311108), (3024, 6962960), (3360, 6266664), (3456, 6092590), (3780, 5570368), (3840, 5483331), (4032, 5222220), (4320, 4874072), (4480, 4699998), (5040, 4177776), (5376, 3916665), (5760, 3655554), (6048, 3481480), (6720, 3133332), (6912, 3046295), (7560, 2785184), (8064, 2611110), (8640, 2437036), (8960, 2349999), (10080, 2088888), (11520, 1827777), (12096, 1740740), (13440, 1566666), (15120, 1392592), (16128, 1305555), (17280, 1218518), (20160, 1044444), (24192, 870370), (26880, 783333), (30240, 696296), (34560, 609259), (40320, 522222), (48384, 435185), (60480, 348148), (80640, 261111), (87037, 241920), (120960, 174074)]