21281253840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 960

約数和(自身を含む): 93148323840

約数和(自身を除く): 71867070000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 43, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 79, 80, 84, 86, 88, 90, 99, 105, 110, 112, 113, 120, 126, 129, 132, 140, 144, 154, 158, 165, 168, 172, 176, 180, 198, 210, 215, 220, 226, 231, 237, 240, 252, 258, 264, 280, 301, 308, 315, 316, 330, 336, 339, 344, 360, 385, 387, 395, 396, 420, 430, 440, 452, 462, 473, 474, 495, 504, 516, 528, 553, 560, 565, 602, 616, 630, 632, 645, 660, 678, 688, 693, 711, 720, 770, 774, 790, 791, 792, 840, 860, 869, 880, 903, 904, 924, 946, 948, 990, 1008, 1017, 1032, 1106, 1130, 1155, 1185, 1204, 1232, 1243, 1260, 1264, 1290, 1320, 1356, 1386, 1419, 1422, 1505, 1540, 1548, 1580, 1582, 1584, 1659, 1680, 1695, 1720, 1738, 1806, 1808, 1848, 1892, 1896, 1935, 1980, 2034, 2064, 2212, 2260, 2310, 2365, 2370, 2373, 2408, 2486, 2520, 2580, 2607, 2640, 2709, 2712, 2765, 2772, 2838, 2844, 3010, 3080, 3096, 3160, 3164, 3311, 3318, 3390, 3397, 3440, 3465, 3476, 3555, 3612, 3696, 3729, 3784, 3792, 3870, 3955, 3960, 4068, 4257, 4345, 4424, 4515, 4520, 4620, 4730, 4740, 4746, 4816, 4859, 4972, 4977, 5040, 5085, 5160, 5214, 5418, 5424, 5530, 5544, 5676, 5688, 6020, 6083, 6160, 6192, 6215, 6320, 6328, 6622, 6636, 6780, 6794, 6930, 6952, 7095, 7110, 7119, 7224, 7458, 7568, 7740, 7821, 7910, 7920, 8136, 8295, 8514, 8690, 8701, 8848, 8927, 9030, 9040, 9240, 9460, 9480, 9492, 9718, 9933, 9944, 9954, 10170, 10191, 10320, 10428, 10836, 11060, 11088, 11187, 11352, 11376, 11865, 12040, 12166, 12430, 12656, 13035, 13244, 13272, 13545, 13560, 13588, 13860, 13904, 14190, 14220, 14238, 14448, 14577, 14916, 15480, 15642, 15820, 16272, 16555, 16590, 16985, 17028, 17380, 17402, 17854, 18060, 18249, 18480, 18645, 18920, 18960, 18984, 19436, 19866, 19888, 19908, 20340, 20382, 20856, 21285, 21672, 22120, 22374, 22704, 23730, 23779, 24080, 24295, 24332, 24860, 24885, 26070, 26103, 26488, 26544, 26781, 27090, 27120, 27176, 27720, 28380, 28440, 28476, 29154, 29799, 29832, 30415, 30573, 30960, 31284, 31640, 33110, 33180, 33970, 34013, 34056, 34760, 34804, 35595, 35708, 36120, 36498, 37290, 37367, 37840, 37968, 38872, 39105, 39732, 39816, 40680, 40764, 41712, 42570, 43344, 43505, 43731, 44240, 44635, 44748, 47460, 47558, 48590, 48664, 49665, 49720, 49770, 50955, 52140, 52206, 52976, 53449, 53562, 54180, 54352, 54747, 55440, 55935, 56760, 56880, 56952, 58308, 59598, 59664, 60830, 61146, 62489, 62568, 63280, 66220, 66360, 67940, 68026, 68112, 69520, 69608, 71190, 71337, 71416, 72240, 72885, 72996, 74580, 74734, 77744, 78210, 78309, 79464, 79632, 80343, 81360, 81528, 85140, 87010, 87462, 89270, 89496, 91245, 94920, 95116, 97180, 97328, 98197, 99330, 99440, 99540, 101910, 102039, 104280, 104412, 106898, 107124, 108360, 109494, 111870, 112101, 113520, 113904, 116616, 118895, 119196, 121660, 122292, 124978, 125136, 130515, 132440, 132720, 133905, 135880, 136052, 139216, 142380, 142674, 142832, 145770, 145992, 148995, 149160, 149468, 152865, 156420, 156618, 158928, 160347, 160686, 163056, 170065, 170280, 174020, 174924, 178540, 178992, 182490, 186835, 187467, 189840, 190232, 194360, 196394, 198660, 199080, 203820, 204078, 208560, 208824, 213796, 214011, 214248, 216720, 218655, 218988, 223740, 224202, 233232, 237790, 238392, 243320, 244584, 249956, 261030, 261569, 264880, 267245, 267810, 271760, 272104, 273735, 284760, 285348, 291540, 291984, 294591, 297990, 298320, 298936, 305730, 306117, 312445, 312840, 313236, 320694, 321372, 336303, 340130, 340560, 348040, 349848, 356685, 357080, 364980, 373670, 374143, 374934, 380464, 383861, 388720, 391545, 392788, 397320, 398160, 401715, 407640, 408156, 417648, 427592, 428022, 428496, 437310, 437976, 447480, 448404, 475580, 476784, 481041, 486640, 489168, 490985, 499912, 510195, 522060, 523138, 534490, 535620, 544208, 547470, 560505, 562401, 569520, 570696, 583080, 589182, 595980, 597872, 611460, 612234, 624890, 625680, 626472, 641388, 642744, 672606, 680260, 687379, 696080, 699696, 713370, 714160, 729960, 747340, 748286, 749868, 767722, 783090, 784707, 785576, 794640, 801735, 803430, 815280, 816312, 855184, 856044, 874620, 875952, 883773, 894960, 896808, 937335, 951160, 962082, 981970, 999824, 1020390, 1044120, 1046276, 1068980, 1070055, 1071240, 1094940, 1121010, 1122429, 1124802, 1141392, 1151583, 1166160, 1178364, 1191960, 1222920, 1224468, 1249780, 1252944, 1282776, 1285488, 1307845, 1345212, 1360520, 1374758, 1426740, 1459920, 1472955, 1494680, 1496572, 1499736, 1530585, 1535444, 1566180, 1569414, 1571152, 1603470, 1606860, 1632624, 1681515, 1712088, 1749240, 1767546, 1793616, 1870715, 1874670, 1902320, 1919305, 1924164, 1963940, 2040780, 2062137, 2088240, 2092552, 2137960, 2140110, 2142480, 2189880, 2242020, 2244858, 2249604, 2303166, 2354121, 2356728, 2383920, 2405205, 2445840, 2448936, 2499560, 2565552, 2615690, 2687027, 2690424, 2721040, 2749516, 2812005, 2853480, 2945910, 2989360, 2993144, 2999472, 3061170, 3070888, 3132360, 3138828, 3206940, 3213720, 3363030, 3367287, 3424176, 3436895, 3454749, 3498480, 3535092, 3741430, 3749340, 3838610, 3848328, 3923535, 3927880, 4081560, 4124274, 4185104, 4222471, 4275920, 4280220, 4379760, 4418865, 4484040, 4489716, 4499208, 4606332, 4708242, 4713456, 4810410, 4897872, 4999120, 5231380, 5374054, 5380848, 5499032, 5612145, 5624010, 5706960, 5757915, 5891820, 5986288, 6122340, 6141776, 6186411, 6264720, 6277656, 6413880, 6427440, 6726060, 6734574, 6873790, 6909498, 7070184, 7482860, 7498680, 7677220, 7696656, 7847070, 7855760, 8061081, 8163120, 8248548, 8444942, 8560440, 8837730, 8968080, 8979432, 8998416, 9212664, 9416484, 9620820, 10310685, 10462760, 10748108, 10998064, 11224290, 11248020, 11515830, 11770605, 11783640, 12244680, 12372822, 12555312, 12667413, 12827760, 13435135, 13452120, 13469148, 13747580, 13818996, 14140368, 14965720, 14997360, 15354440, 15694140, 16122162, 16497096, 16836435, 16889884, 17120880, 17273745, 17675460, 17958864, 18425328, 18832968, 19241640, 20621370, 20925520, 21112355, 21496216, 22448580, 22496040, 23031660, 23541210, 23567280, 24183243, 24489360, 24745644, 25334826, 26870270, 26904240, 26938296, 27495160, 27637992, 29557297, 29931440, 30708880, 30932055, 31388280, 32244324, 32994192, 33672870, 33779768, 34547490, 35350920, 37665936, 38002239, 38483280, 40305405, 41242740, 42224710, 42992432, 44897160, 44992080, 46063320, 47082420, 48366486, 49491288, 50669652, 53740540, 53876592, 54990320, 55275984, 59114594, 61864110, 62776560, 63337065, 64488648, 67345740, 67559536, 69094980, 70701840, 76004478, 80610810, 82485480, 84449420, 88671891, 89794320, 92126640, 94164840, 96732972, 98982576, 101339304, 107481080, 118229188, 120916215, 123728220, 126674130, 128977296, 134691480, 138189960, 147786485, 152008956, 161221620, 164970960, 168898840, 177343782, 188329680, 190011195, 193465944, 202678608, 214962160, 236458376, 241832430, 247456440, 253348260, 266015673, 269382960, 276379920, 295572970, 304017912, 322443240, 337797680, 354687564, 380022390, 386931888, 443359455, 472916752, 483664860, 494912880, 506696520, 532031346, 591145940, 608035824, 644886480, 709375128, 760044780, 886718910, 967329720, 1013393040, 1064062692, 1182291880, 1330078365, 1418750256, 1520089560, 1773437820, 1934659440, 2128125384, 2364583760, 2660156730, 3040179120, 3546875640, 4256250768, 5320313460, 7093751280, 10640626920, 21281253840]

約数ペア:

[(1, 21281253840), (2, 10640626920), (3, 7093751280), (4, 5320313460), (5, 4256250768), (6, 3546875640), (7, 3040179120), (8, 2660156730), (9, 2364583760), (10, 2128125384), (11, 1934659440), (12, 1773437820), (14, 1520089560), (15, 1418750256), (16, 1330078365), (18, 1182291880), (20, 1064062692), (21, 1013393040), (22, 967329720), (24, 886718910), (28, 760044780), (30, 709375128), (33, 644886480), (35, 608035824), (36, 591145940), (40, 532031346), (42, 506696520), (43, 494912880), (44, 483664860), (45, 472916752), (48, 443359455), (55, 386931888), (56, 380022390), (60, 354687564), (63, 337797680), (66, 322443240), (70, 304017912), (72, 295572970), (77, 276379920), (79, 269382960), (80, 266015673), (84, 253348260), (86, 247456440), (88, 241832430), (90, 236458376), (99, 214962160), (105, 202678608), (110, 193465944), (112, 190011195), (113, 188329680), (120, 177343782), (126, 168898840), (129, 164970960), (132, 161221620), (140, 152008956), (144, 147786485), (154, 138189960), (158, 134691480), (165, 128977296), (168, 126674130), (172, 123728220), (176, 120916215), (180, 118229188), (198, 107481080), (210, 101339304), (215, 98982576), (220, 96732972), (226, 94164840), (231, 92126640), (237, 89794320), (240, 88671891), (252, 84449420), (258, 82485480), (264, 80610810), (280, 76004478), (301, 70701840), (308, 69094980), (315, 67559536), (316, 67345740), (330, 64488648), (336, 63337065), (339, 62776560), (344, 61864110), (360, 59114594), (385, 55275984), (387, 54990320), (395, 53876592), (396, 53740540), (420, 50669652), (430, 49491288), (440, 48366486), (452, 47082420), (462, 46063320), (473, 44992080), (474, 44897160), (495, 42992432), (504, 42224710), (516, 41242740), (528, 40305405), (553, 38483280), (560, 38002239), (565, 37665936), (602, 35350920), (616, 34547490), (630, 33779768), (632, 33672870), (645, 32994192), (660, 32244324), (678, 31388280), (688, 30932055), (693, 30708880), (711, 29931440), (720, 29557297), (770, 27637992), (774, 27495160), (790, 26938296), (791, 26904240), (792, 26870270), (840, 25334826), (860, 24745644), (869, 24489360), (880, 24183243), (903, 23567280), (904, 23541210), (924, 23031660), (946, 22496040), (948, 22448580), (990, 21496216), (1008, 21112355), (1017, 20925520), (1032, 20621370), (1106, 19241640), (1130, 18832968), (1155, 18425328), (1185, 17958864), (1204, 17675460), (1232, 17273745), (1243, 17120880), (1260, 16889884), (1264, 16836435), (1290, 16497096), (1320, 16122162), (1356, 15694140), (1386, 15354440), (1419, 14997360), (1422, 14965720), (1505, 14140368), (1540, 13818996), (1548, 13747580), (1580, 13469148), (1582, 13452120), (1584, 13435135), (1659, 12827760), (1680, 12667413), (1695, 12555312), (1720, 12372822), (1738, 12244680), (1806, 11783640), (1808, 11770605), (1848, 11515830), (1892, 11248020), (1896, 11224290), (1935, 10998064), (1980, 10748108), (2034, 10462760), (2064, 10310685), (2212, 9620820), (2260, 9416484), (2310, 9212664), (2365, 8998416), (2370, 8979432), (2373, 8968080), (2408, 8837730), (2486, 8560440), (2520, 8444942), (2580, 8248548), (2607, 8163120), (2640, 8061081), (2709, 7855760), (2712, 7847070), (2765, 7696656), (2772, 7677220), (2838, 7498680), (2844, 7482860), (3010, 7070184), (3080, 6909498), (3096, 6873790), (3160, 6734574), (3164, 6726060), (3311, 6427440), (3318, 6413880), (3390, 6277656), (3397, 6264720), (3440, 6186411), (3465, 6141776), (3476, 6122340), (3555, 5986288), (3612, 5891820), (3696, 5757915), (3729, 5706960), (3784, 5624010), (3792, 5612145), (3870, 5499032), (3955, 5380848), (3960, 5374054), (4068, 5231380), (4257, 4999120), (4345, 4897872), (4424, 4810410), (4515, 4713456), (4520, 4708242), (4620, 4606332), (4730, 4499208), (4740, 4489716), (4746, 4484040), (4816, 4418865), (4859, 4379760), (4972, 4280220), (4977, 4275920), (5040, 4222471), (5085, 4185104), (5160, 4124274), (5214, 4081560), (5418, 3927880), (5424, 3923535), (5530, 3848328), (5544, 3838610), (5676, 3749340), (5688, 3741430), (6020, 3535092), (6083, 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(13560, 1569414), (13588, 1566180), (13860, 1535444), (13904, 1530585), (14190, 1499736), (14220, 1496572), (14238, 1494680), (14448, 1472955), (14577, 1459920), (14916, 1426740), (15480, 1374758), (15642, 1360520), (15820, 1345212), (16272, 1307845), (16555, 1285488), (16590, 1282776), (16985, 1252944), (17028, 1249780), (17380, 1224468), (17402, 1222920), (17854, 1191960), (18060, 1178364), (18249, 1166160), (18480, 1151583), (18645, 1141392), (18920, 1124802), (18960, 1122429), (18984, 1121010), (19436, 1094940), (19866, 1071240), (19888, 1070055), (19908, 1068980), (20340, 1046276), (20382, 1044120), (20856, 1020390), (21285, 999824), (21672, 981970), (22120, 962082), (22374, 951160), (22704, 937335), (23730, 896808), (23779, 894960), (24080, 883773), (24295, 875952), (24332, 874620), (24860, 856044), (24885, 855184), (26070, 816312), (26103, 815280), (26488, 803430), (26544, 801735), (26781, 794640), (27090, 785576), (27120, 784707), (27176, 783090), (27720, 767722), (28380, 749868), (28440, 748286), (28476, 747340), (29154, 729960), (29799, 714160), (29832, 713370), (30415, 699696), (30573, 696080), (30960, 687379), (31284, 680260), (31640, 672606), (33110, 642744), (33180, 641388), (33970, 626472), (34013, 625680), (34056, 624890), (34760, 612234), (34804, 611460), (35595, 597872), (35708, 595980), (36120, 589182), (36498, 583080), (37290, 570696), (37367, 569520), (37840, 562401), (37968, 560505), (38872, 547470), (39105, 544208), (39732, 535620), (39816, 534490), (40680, 523138), (40764, 522060), (41712, 510195), (42570, 499912), (43344, 490985), (43505, 489168), (43731, 486640), (44240, 481041), (44635, 476784), (44748, 475580), (47460, 448404), (47558, 447480), (48590, 437976), (48664, 437310), (49665, 428496), (49720, 428022), (49770, 427592), (50955, 417648), (52140, 408156), (52206, 407640), (52976, 401715), (53449, 398160), (53562, 397320), (54180, 392788), (54352, 391545), (54747, 388720), (55440, 383861), (55935, 380464), (56760, 374934), (56880, 374143), (56952, 373670), (58308, 364980), (59598, 357080), (59664, 356685), (60830, 349848), (61146, 348040), (62489, 340560), (62568, 340130), (63280, 336303), (66220, 321372), (66360, 320694), (67940, 313236), (68026, 312840), (68112, 312445), (69520, 306117), (69608, 305730), (71190, 298936), (71337, 298320), (71416, 297990), (72240, 294591), (72885, 291984), (72996, 291540), (74580, 285348), (74734, 284760), (77744, 273735), (78210, 272104), (78309, 271760), (79464, 267810), (79632, 267245), (80343, 264880), (81360, 261569), (81528, 261030), (85140, 249956), (87010, 244584), (87462, 243320), (89270, 238392), (89496, 237790), (91245, 233232), (94920, 224202), (95116, 223740), (97180, 218988), (97328, 218655), (98197, 216720), (99330, 214248), (99440, 214011), (99540, 213796), (101910, 208824), (102039, 208560), (104280, 204078), (104412, 203820), (106898, 199080), (107124, 198660), (108360, 196394), (109494, 194360), (111870, 190232), (112101, 189840), (113520, 187467), (113904, 186835), (116616, 182490), (118895, 178992), (119196, 178540), (121660, 174924), (122292, 174020), (124978, 170280), (125136, 170065), (130515, 163056), (132440, 160686), (132720, 160347), (133905, 158928), (135880, 156618), (136052, 156420), (139216, 152865), (142380, 149468), (142674, 149160), (142832, 148995), (145770, 145992)]