21271299840

素因数分解:

$2^8\times 3^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 1080

約数和(自身を含む): 91351592640

約数和(自身を除く): 70080292800

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, 49, 53, 54, 56, 60, 63, 64, 70, 72, 79, 80, 81, 84, 90, 96, 98, 105, 106, 108, 112, 120, 126, 128, 135, 140, 144, 147, 158, 159, 160, 162, 168, 180, 189, 192, 196, 210, 212, 216, 224, 237, 240, 245, 252, 256, 265, 270, 280, 288, 294, 315, 316, 318, 320, 324, 336, 360, 371, 378, 384, 392, 395, 405, 420, 424, 432, 441, 448, 474, 477, 480, 490, 504, 530, 540, 553, 560, 567, 576, 588, 630, 632, 636, 640, 648, 672, 711, 720, 735, 742, 756, 768, 784, 790, 795, 810, 840, 848, 864, 882, 896, 945, 948, 954, 960, 980, 1008, 1060, 1080, 1106, 1113, 1120, 1134, 1152, 1176, 1185, 1260, 1264, 1272, 1280, 1296, 1323, 1344, 1422, 1431, 1440, 1470, 1484, 1512, 1568, 1580, 1590, 1620, 1659, 1680, 1696, 1728, 1764, 1792, 1855, 1890, 1896, 1908, 1920, 1960, 2016, 2120, 2133, 2160, 2205, 2212, 2226, 2240, 2268, 2304, 2352, 2370, 2385, 2520, 2528, 2544, 2592, 2597, 2646, 2688, 2765, 2835, 2844, 2862, 2880, 2940, 2968, 3024, 3136, 3160, 3180, 3240, 3318, 3339, 3360, 3392, 3456, 3528, 3555, 3710, 3780, 3792, 3816, 3840, 3871, 3920, 3969, 4032, 4187, 4240, 4266, 4293, 4320, 4410, 4424, 4452, 4480, 4536, 4704, 4740, 4770, 4977, 5040, 5056, 5088, 5184, 5194, 5292, 5376, 5530, 5565, 5670, 5688, 5724, 5760, 5880, 5936, 6048, 6272, 6320, 6360, 6399, 6480, 6615, 6636, 6678, 6720, 6784, 6912, 7056, 7110, 7155, 7420, 7560, 7584, 7632, 7742, 7791, 7840, 7938, 8064, 8295, 8374, 8480, 8532, 8586, 8640, 8820, 8848, 8904, 8960, 9072, 9408, 9480, 9540, 9954, 10017, 10080, 10112, 10176, 10368, 10388, 10584, 10665, 11060, 11130, 11340, 11376, 11448, 11520, 11613, 11760, 11872, 12096, 12544, 12561, 12640, 12720, 12798, 12960, 12985, 13230, 13272, 13356, 13440, 13568, 14112, 14220, 14310, 14840, 14931, 15120, 15168, 15264, 15484, 15582, 15680, 15876, 16128, 16590, 16695, 16748, 16960, 17064, 17172, 17280, 17640, 17696, 17808, 18144, 18816, 18960, 19080, 19355, 19845, 19908, 20034, 20160, 20224, 20352, 20736, 20776, 20935, 21168, 21330, 21465, 22120, 22260, 22680, 22752, 22896, 23226, 23373, 23520, 23744, 24192, 24885, 25122, 25280, 25440, 25596, 25920, 25970, 26460, 26544, 26712, 26880, 28224, 28440, 28620, 29309, 29680, 29862, 30051, 30240, 30336, 30528, 30968, 31164, 31360, 31752, 31995, 33180, 33390, 33496, 33920, 34128, 34344, 34560, 34839, 35280, 35392, 35616, 36288, 37632, 37683, 37920, 38160, 38710, 38955, 39690, 39816, 40068, 40320, 40704, 41552, 41870, 42336, 42660, 42930, 44240, 44520, 44793, 45360, 45504, 45792, 46452, 46746, 47040, 47488, 48384, 49770, 50085, 50244, 50560, 50880, 51192, 51840, 51940, 52920, 53088, 53424, 56448, 56880, 57240, 58065, 58618, 59360, 59724, 60102, 60480, 60672, 61056, 61936, 62328, 62720, 62805, 63504, 63990, 66360, 66780, 66992, 67840, 68256, 68688, 69678, 70119, 70560, 70784, 71232, 72576, 74655, 75366, 75840, 76320, 77420, 77910, 79380, 79632, 80136, 80640, 83104, 83740, 84672, 85320, 85860, 87927, 88480, 89040, 89586, 90720, 91008, 91584, 92904, 93492, 94080, 94976, 99540, 100170, 100488, 101120, 101760, 102384, 103680, 103880, 104517, 105840, 106176, 106848, 112896, 113049, 113760, 114480, 116130, 116865, 117236, 118720, 119448, 120204, 120960, 122112, 123872, 124656, 125610, 127008, 127980, 132720, 133560, 133984, 136512, 137376, 139356, 140238, 141120, 141568, 142464, 145152, 146545, 149310, 150255, 150732, 151680, 152640, 154840, 155820, 158760, 159264, 160272, 166208, 167480, 169344, 170640, 171720, 174195, 175854, 176960, 178080, 179172, 181440, 182016, 183168, 185808, 186984, 188160, 188415, 199080, 200340, 200976, 203520, 204768, 205163, 207760, 209034, 210357, 211680, 212352, 213696, 223965, 226098, 227520, 228960, 232260, 233730, 234472, 237440, 238896, 240408, 241920, 247744, 249312, 251220, 254016, 255960, 263781, 265440, 267120, 267968, 273024, 274752, 278712, 280476, 282240, 284928, 293090, 298620, 300510, 301464, 303360, 305280, 309680, 311640, 313551, 317520, 318528, 320544, 332416, 334960, 338688, 339147, 341280, 343440, 348390, 350595, 351708, 353920, 356160, 358344, 362880, 366336, 371616, 373968, 376830, 398160, 400680, 401952, 409536, 410326, 415520, 418068, 420714, 423360, 424704, 427392, 439635, 447930, 452196, 455040, 457920, 464520, 467460, 468944, 474880, 477792, 480816, 495488, 498624, 502440, 508032, 511920, 522585, 527562, 530880, 534240, 535936, 546048, 549504, 557424, 560952, 564480, 565245, 586180, 597240, 601020, 602928, 610560, 615489, 619360, 623280, 627102, 635040, 637056, 641088, 664832, 669920, 678294, 682560, 686880, 696780, 701190, 703416, 707840, 712320, 716688, 725760, 743232, 747936, 753660, 791343, 796320, 801360, 803904, 819072, 820652, 831040, 836136, 841428, 846720, 854784, 879270, 895860, 904392, 910080, 915840, 929040, 934920, 937888, 955584, 961632, 990976, 997248, 1004880, 1016064, 1023840, 1025815, 1045170, 1051785, 1055124, 1061760, 1068480, 1071872, 1099008, 1114848, 1121904, 1130490, 1172360, 1194480, 1202040, 1205856, 1230978, 1238720, 1246560, 1254204, 1270080, 1274112, 1282176, 1318905, 1339840, 1356588, 1365120, 1373760, 1393560, 1402380, 1406832, 1424640, 1433376, 1486464, 1495872, 1507320, 1567755, 1582686, 1592640, 1602720, 1607808, 1638144, 1641304, 1662080, 1672272, 1682856, 1693440, 1695735, 1758540, 1791720, 1808784, 1831680, 1846467, 1858080, 1869840, 1875776, 1911168, 1923264, 1994496, 2009760, 2047680, 2051630, 2090340, 2103570, 2110248, 2123520, 2136960, 2229696, 2243808, 2260980, 2344720, 2374029, 2388960, 2404080, 2411712, 2461956, 2477440, 2493120, 2508408, 2540160, 2564352, 2637810, 2679680, 2713176, 2730240, 2747520, 2787120, 2804760, 2813664, 2866752, 2972928, 2991744, 3014640, 3077445, 3135510, 3165372, 3185280, 3205440, 3215616, 3282608, 3324160, 3344544, 3365712, 3391470, 3517080, 3583440, 3617568, 3692934, 3716160, 3739680, 3751552, 3822336, 3846528, 3956715, 4019520, 4095360, 4103260, 4180680, 4207140, 4220496, 4273920, 4459392, 4487616, 4521960, 4689440, 4748058, 4777920, 4808160, 4823424, 4923912, 4954880, 4986240, 5016816, 5080320, 5275620, 5359360, 5426352, 5495040, 5539401, 5574240, 5609520, 5627328, 5733504, 5983488, 6029280, 6154890, 6271020, 6330744, 6370560, 6410880, 6565216, 6689088, 6731424, 6782940, 7034160, 7166880, 7235136, 7385868, 7432320, 7479360, 7503104, 7693056, 7913430, 8039040, 8190720, 8206520, 8361360, 8414280, 8440992, 8918784, 8975232, 9043920, 9232335, 9378880, 9496116, 9555840, 9616320, 9646848, 9847824, 9972480, 10033632, 10551240, 10852704, 11078802, 11148480, 11219040, 11254656, 11467008, 11870145, 12058560, 12309780, 12542040, 12661488, 12821760, 13130432, 13378176, 13462848, 13565880, 14068320, 14333760, 14470272, 14771736, 14864640, 14958720, 15826860, 16078080, 16413040, 16618203, 16722720, 16828560, 16881984, 17950464, 18087840, 18464670, 18757760, 18992232, 19111680, 19232640, 19695648, 20067264, 21102480, 21705408, 22157604, 22296960, 22438080, 22509312, 23740290, 24117120, 24619560, 25084080, 25322976, 26260864, 26756352, 26925696, 27131760, 27697005, 28136640, 28667520, 28940544, 29543472, 29917440, 31653720, 32826080, 33236406, 33445440, 33657120, 33763968, 36175680, 36929340, 37515520, 37984464, 38465280, 39391296, 40134528, 42204960, 43410816, 44315208, 44593920, 44876160, 47480580, 48234240, 49239120, 50168160, 50645952, 52521728, 53851392, 54263520, 55394010, 56273280, 57335040, 59086944, 63307440, 65652160, 66472812, 66890880, 67314240, 67527936, 72351360, 73858680, 75968928, 78782592, 80269056, 83091015, 84409920, 86821632, 88630416, 89752320, 94961160, 98478240, 100336320, 101291904, 108527040, 110788020, 112546560, 118173888, 126614880, 131304320, 132945624, 133781760, 134628480, 144702720, 147717360, 151937856, 157565184, 166182030, 168819840, 177260832, 189922320, 196956480, 200672640, 202583808, 217054080, 221576040, 236347776, 253229760, 262608640, 265891248, 269256960, 295434720, 303875712, 332364060, 337639680, 354521664, 379844640, 393912960, 401345280, 434108160, 443152080, 472695552, 506459520, 531782496, 590869440, 607751424, 664728120, 709043328, 759689280, 787825920, 886304160, 1012919040, 1063564992, 1181738880, 1329456240, 1418086656, 1519378560, 1772608320, 2127129984, 2363477760, 2658912480, 3038757120, 3545216640, 4254259968, 5317824960, 7090433280, 10635649920, 21271299840]

約数ペア:

[(1, 21271299840), (2, 10635649920), (3, 7090433280), (4, 5317824960), (5, 4254259968), (6, 3545216640), (7, 3038757120), (8, 2658912480), (9, 2363477760), (10, 2127129984), (12, 1772608320), (14, 1519378560), (15, 1418086656), (16, 1329456240), (18, 1181738880), (20, 1063564992), (21, 1012919040), (24, 886304160), (27, 787825920), (28, 759689280), (30, 709043328), (32, 664728120), (35, 607751424), (36, 590869440), (40, 531782496), (42, 506459520), (45, 472695552), (48, 443152080), (49, 434108160), (53, 401345280), (54, 393912960), (56, 379844640), (60, 354521664), (63, 337639680), (64, 332364060), (70, 303875712), (72, 295434720), (79, 269256960), (80, 265891248), (81, 262608640), (84, 253229760), (90, 236347776), (96, 221576040), (98, 217054080), (105, 202583808), (106, 200672640), (108, 196956480), (112, 189922320), (120, 177260832), (126, 168819840), (128, 166182030), (135, 157565184), (140, 151937856), (144, 147717360), (147, 144702720), (158, 134628480), (159, 133781760), (160, 132945624), (162, 131304320), (168, 126614880), (180, 118173888), (189, 112546560), (192, 110788020), (196, 108527040), (210, 101291904), (212, 100336320), (216, 98478240), (224, 94961160), (237, 89752320), (240, 88630416), (245, 86821632), (252, 84409920), (256, 83091015), (265, 80269056), (270, 78782592), (280, 75968928), (288, 73858680), (294, 72351360), (315, 67527936), (316, 67314240), (318, 66890880), (320, 66472812), (324, 65652160), (336, 63307440), (360, 59086944), (371, 57335040), (378, 56273280), (384, 55394010), (392, 54263520), (395, 53851392), (405, 52521728), (420, 50645952), (424, 50168160), (432, 49239120), (441, 48234240), (448, 47480580), (474, 44876160), (477, 44593920), (480, 44315208), (490, 43410816), (504, 42204960), (530, 40134528), (540, 39391296), (553, 38465280), (560, 37984464), (567, 37515520), (576, 36929340), (588, 36175680), (630, 33763968), (632, 33657120), (636, 33445440), (640, 33236406), (648, 32826080), (672, 31653720), (711, 29917440), (720, 29543472), (735, 28940544), (742, 28667520), (756, 28136640), (768, 27697005), (784, 27131760), (790, 26925696), (795, 26756352), (810, 26260864), (840, 25322976), (848, 25084080), (864, 24619560), (882, 24117120), (896, 23740290), (945, 22509312), (948, 22438080), (954, 22296960), (960, 22157604), (980, 21705408), (1008, 21102480), (1060, 20067264), (1080, 19695648), (1106, 19232640), (1113, 19111680), (1120, 18992232), (1134, 18757760), (1152, 18464670), (1176, 18087840), (1185, 17950464), (1260, 16881984), (1264, 16828560), (1272, 16722720), (1280, 16618203), (1296, 16413040), (1323, 16078080), (1344, 15826860), (1422, 14958720), (1431, 14864640), (1440, 14771736), (1470, 14470272), (1484, 14333760), (1512, 14068320), (1568, 13565880), (1580, 13462848), (1590, 13378176), (1620, 13130432), (1659, 12821760), (1680, 12661488), (1696, 12542040), (1728, 12309780), (1764, 12058560), (1792, 11870145), (1855, 11467008), (1890, 11254656), (1896, 11219040), (1908, 11148480), (1920, 11078802), (1960, 10852704), (2016, 10551240), (2120, 10033632), (2133, 9972480), (2160, 9847824), (2205, 9646848), (2212, 9616320), (2226, 9555840), (2240, 9496116), (2268, 9378880), (2304, 9232335), (2352, 9043920), (2370, 8975232), (2385, 8918784), (2520, 8440992), (2528, 8414280), (2544, 8361360), (2592, 8206520), (2597, 8190720), (2646, 8039040), (2688, 7913430), (2765, 7693056), (2835, 7503104), (2844, 7479360), (2862, 7432320), (2880, 7385868), (2940, 7235136), (2968, 7166880), (3024, 7034160), (3136, 6782940), (3160, 6731424), (3180, 6689088), (3240, 6565216), (3318, 6410880), (3339, 6370560), (3360, 6330744), (3392, 6271020), (3456, 6154890), (3528, 6029280), (3555, 5983488), (3710, 5733504), (3780, 5627328), (3792, 5609520), (3816, 5574240), (3840, 5539401), (3871, 5495040), (3920, 5426352), (3969, 5359360), (4032, 5275620), (4187, 5080320), (4240, 5016816), (4266, 4986240), (4293, 4954880), (4320, 4923912), (4410, 4823424), (4424, 4808160), (4452, 4777920), (4480, 4748058), (4536, 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(10017, 2123520), (10080, 2110248), (10112, 2103570), (10176, 2090340), (10368, 2051630), (10388, 2047680), (10584, 2009760), (10665, 1994496), (11060, 1923264), (11130, 1911168), (11340, 1875776), (11376, 1869840), (11448, 1858080), (11520, 1846467), (11613, 1831680), (11760, 1808784), (11872, 1791720), (12096, 1758540), (12544, 1695735), (12561, 1693440), (12640, 1682856), (12720, 1672272), (12798, 1662080), (12960, 1641304), (12985, 1638144), (13230, 1607808), (13272, 1602720), (13356, 1592640), (13440, 1582686), (13568, 1567755), (14112, 1507320), (14220, 1495872), (14310, 1486464), (14840, 1433376), (14931, 1424640), (15120, 1406832), (15168, 1402380), (15264, 1393560), (15484, 1373760), (15582, 1365120), (15680, 1356588), (15876, 1339840), (16128, 1318905), (16590, 1282176), (16695, 1274112), (16748, 1270080), (16960, 1254204), (17064, 1246560), (17172, 1238720), (17280, 1230978), (17640, 1205856), (17696, 1202040), (17808, 1194480), (18144, 1172360), (18816, 1130490), (18960, 1121904), (19080, 1114848), (19355, 1099008), (19845, 1071872), (19908, 1068480), (20034, 1061760), (20160, 1055124), (20224, 1051785), (20352, 1045170), (20736, 1025815), (20776, 1023840), (20935, 1016064), (21168, 1004880), (21330, 997248), (21465, 990976), (22120, 961632), (22260, 955584), (22680, 937888), (22752, 934920), (22896, 929040), (23226, 915840), (23373, 910080), (23520, 904392), (23744, 895860), (24192, 879270), (24885, 854784), (25122, 846720), (25280, 841428), (25440, 836136), (25596, 831040), (25920, 820652), (25970, 819072), (26460, 803904), (26544, 801360), (26712, 796320), (26880, 791343), (28224, 753660), (28440, 747936), (28620, 743232), (29309, 725760), (29680, 716688), (29862, 712320), (30051, 707840), (30240, 703416), (30336, 701190), (30528, 696780), (30968, 686880), (31164, 682560), (31360, 678294), (31752, 669920), (31995, 664832), (33180, 641088), (33390, 637056), (33496, 635040), (33920, 627102), (34128, 623280), (34344, 619360), (34560, 615489), (34839, 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