21247269120

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1471

約数の個数: 864

約数和(自身を含む): 97113219840

約数和(自身を除く): 75865950720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 55, 56, 60, 63, 64, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 96, 99, 102, 105, 110, 112, 119, 120, 126, 128, 132, 136, 140, 144, 153, 154, 160, 165, 168, 170, 176, 180, 187, 192, 198, 204, 210, 220, 224, 231, 238, 240, 252, 255, 256, 264, 272, 280, 288, 306, 308, 315, 320, 330, 336, 340, 352, 357, 360, 374, 384, 385, 396, 408, 420, 440, 448, 462, 476, 480, 495, 504, 510, 528, 544, 560, 561, 576, 595, 612, 616, 630, 640, 660, 672, 680, 693, 704, 714, 720, 748, 765, 768, 770, 792, 816, 840, 880, 896, 924, 935, 952, 960, 990, 1008, 1020, 1056, 1071, 1088, 1120, 1122, 1152, 1155, 1190, 1224, 1232, 1260, 1280, 1309, 1320, 1344, 1360, 1386, 1408, 1409, 1428, 1440, 1496, 1530, 1540, 1584, 1632, 1680, 1683, 1760, 1785, 1792, 1848, 1870, 1904, 1920, 1980, 2016, 2040, 2112, 2142, 2176, 2240, 2244, 2304, 2310, 2380, 2448, 2464, 2520, 2618, 2640, 2688, 2720, 2772, 2805, 2816, 2818, 2856, 2880, 2992, 3060, 3080, 3168, 3264, 3360, 3366, 3465, 3520, 3570, 3696, 3740, 3808, 3840, 3927, 3960, 4032, 4080, 4224, 4227, 4284, 4352, 4480, 4488, 4620, 4760, 4896, 4928, 5040, 5236, 5280, 5355, 5376, 5440, 5544, 5610, 5636, 5712, 5760, 5984, 6120, 6160, 6336, 6528, 6545, 6720, 6732, 6930, 7040, 7045, 7140, 7392, 7480, 7616, 7854, 7920, 8064, 8160, 8415, 8448, 8454, 8568, 8960, 8976, 9240, 9520, 9792, 9856, 9863, 10080, 10472, 10560, 10710, 10880, 11088, 11220, 11272, 11424, 11520, 11781, 11968, 12240, 12320, 12672, 12681, 13056, 13090, 13440, 13464, 13860, 14080, 14090, 14280, 14784, 14960, 15232, 15499, 15708, 15840, 16128, 16320, 16830, 16908, 17136, 17952, 18480, 19040, 19584, 19635, 19712, 19726, 20160, 20944, 21120, 21135, 21420, 21760, 22176, 22440, 22544, 22848, 23562, 23936, 23953, 24480, 24640, 25344, 25362, 26180, 26880, 26928, 27720, 28180, 28560, 29568, 29589, 29920, 30464, 30998, 31416, 31680, 32640, 33660, 33816, 34272, 35904, 36960, 38080, 39168, 39270, 39452, 40320, 41888, 42240, 42270, 42840, 44352, 44880, 45088, 45696, 46497, 47124, 47872, 47906, 48960, 49280, 49315, 50724, 52360, 53856, 55440, 56360, 57120, 58905, 59136, 59178, 59840, 61996, 62832, 63360, 63405, 65280, 67320, 67632, 68544, 71808, 71859, 73920, 76160, 77495, 78540, 78904, 80640, 83776, 84540, 85680, 88704, 88767, 89760, 90176, 91392, 92994, 94248, 95812, 97920, 98560, 98630, 101448, 104720, 107712, 108493, 110880, 112720, 114240, 117810, 118356, 119680, 119765, 123992, 125664, 126720, 126810, 134640, 135264, 137088, 139491, 143616, 143718, 147840, 147945, 152320, 154990, 157080, 157808, 167552, 167671, 169080, 171360, 177408, 177534, 179520, 180352, 185988, 188496, 191624, 195840, 197260, 202896, 209440, 215424, 215577, 216986, 221760, 225440, 228480, 232485, 235620, 236712, 239360, 239530, 247984, 251328, 253620, 263483, 269280, 270528, 274176, 278982, 287436, 295680, 295890, 309980, 314160, 315616, 325479, 335104, 335342, 338160, 342720, 355068, 359040, 359295, 360704, 371976, 376992, 383248, 394520, 405792, 418880, 430848, 431154, 433972, 443520, 443835, 450880, 456960, 464970, 471240, 473424, 479060, 495968, 502656, 503013, 507240, 526966, 538560, 541056, 542465, 557964, 574872, 591780, 619960, 628320, 631232, 650958, 670684, 676320, 685440, 697455, 710136, 718080, 718590, 743952, 753984, 766496, 789040, 790449, 811584, 837760, 838355, 862308, 867944, 887040, 887670, 901760, 929940, 942480, 946848, 958120, 976437, 991936, 1005312, 1006026, 1014480, 1053932, 1077120, 1077885, 1082112, 1084930, 1115928, 1149744, 1183560, 1239920, 1256640, 1262464, 1301916, 1317415, 1341368, 1352640, 1370880, 1394910, 1420272, 1437180, 1487904, 1507968, 1509039, 1532992, 1578080, 1580898, 1623168, 1627395, 1675520, 1676710, 1724616, 1735888, 1775340, 1803520, 1844381, 1859880, 1884960, 1893696, 1916240, 1952874, 1983872, 2012052, 2028960, 2107864, 2154240, 2155770, 2169860, 2231856, 2299488, 2367120, 2371347, 2479840, 2513280, 2515065, 2524928, 2603832, 2634830, 2682736, 2705280, 2789820, 2840544, 2874360, 2975808, 3015936, 3018078, 3065984, 3156160, 3161796, 3246336, 3254790, 3353420, 3449232, 3471776, 3550680, 3688762, 3719760, 3769920, 3787392, 3832480, 3905748, 3952245, 3967744, 4024104, 4057920, 4215728, 4311540, 4339720, 4463712, 4598976, 4734240, 4742694, 4882185, 4959680, 5026560, 5030130, 5207664, 5269660, 5365472, 5410560, 5533143, 5579640, 5681088, 5748720, 5951616, 6036156, 6131968, 6312320, 6323592, 6509580, 6706840, 6898464, 6943552, 7101360, 7377524, 7439520, 7539840, 7545195, 7574784, 7664960, 7811496, 7904490, 8048208, 8115840, 8431456, 8623080, 8679440, 8927424, 9197952, 9221905, 9468480, 9485388, 9764370, 9919360, 10060260, 10415328, 10539320, 10730944, 11066286, 11159280, 11362176, 11497440, 11856735, 11903232, 12072312, 12624640, 12647184, 13019160, 13413680, 13796928, 13887104, 14202720, 14755048, 14879040, 15079680, 15090390, 15329920, 15622992, 15808980, 16096416, 16231680, 16599429, 16862912, 17246160, 17358880, 17854848, 18395904, 18443810, 18936960, 18970776, 19528740, 19838720, 20120520, 20830656, 21078640, 21461888, 22132572, 22318560, 22724352, 22994880, 23713470, 24144624, 25294368, 26038320, 26827360, 27593856, 27665715, 27774208, 28405440, 29510096, 29758080, 30180780, 30659840, 31245984, 31617960, 32192832, 33198858, 33725824, 34492320, 34717760, 35709696, 36887620, 37873920, 37941552, 39057480, 40241040, 41661312, 42157280, 42923776, 44265144, 44637120, 45989760, 47426940, 48289248, 50588736, 52076640, 53654720, 55187712, 55331430, 56810880, 59020192, 59516160, 60361560, 62491968, 63235920, 64385664, 66397716, 67451648, 68984640, 69435520, 73775240, 75883104, 78114960, 80482080, 82997145, 83322624, 84314560, 88530288, 89274240, 91979520, 94853880, 96578496, 101177472, 104153280, 107309440, 110662860, 113621760, 118040384, 120723120, 124983936, 126471840, 128771328, 132795432, 137969280, 138871040, 147550480, 151766208, 156229920, 160964160, 165994290, 168629120, 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約数ペア:

[(1, 21247269120), (2, 10623634560), (3, 7082423040), (4, 5311817280), (5, 4249453824), (6, 3541211520), (7, 3035324160), (8, 2655908640), (9, 2360807680), (10, 2124726912), (11, 1931569920), (12, 1770605760), (14, 1517662080), (15, 1416484608), (16, 1327954320), (17, 1249839360), (18, 1180403840), (20, 1062363456), (21, 1011774720), (22, 965784960), (24, 885302880), (28, 758831040), (30, 708242304), (32, 663977160), (33, 643856640), (34, 624919680), (35, 607064832), (36, 590201920), (40, 531181728), (42, 505887360), (44, 482892480), (45, 472161536), (48, 442651440), (51, 416613120), (55, 386313984), (56, 379415520), (60, 354121152), (63, 337258240), (64, 331988580), (66, 321928320), (68, 312459840), (70, 303532416), (72, 295100960), (77, 275938560), (80, 265590864), (84, 252943680), (85, 249967872), (88, 241446240), (90, 236080768), (96, 221325720), (99, 214618880), (102, 208306560), (105, 202354944), (110, 193156992), (112, 189707760), (119, 178548480), (120, 177060576), (126, 168629120), (128, 165994290), (132, 160964160), (136, 156229920), (140, 151766208), (144, 147550480), (153, 138871040), (154, 137969280), (160, 132795432), (165, 128771328), (168, 126471840), (170, 124983936), (176, 120723120), (180, 118040384), (187, 113621760), (192, 110662860), (198, 107309440), (204, 104153280), (210, 101177472), (220, 96578496), (224, 94853880), (231, 91979520), (238, 89274240), (240, 88530288), (252, 84314560), (255, 83322624), (256, 82997145), (264, 80482080), (272, 78114960), (280, 75883104), (288, 73775240), (306, 69435520), (308, 68984640), (315, 67451648), (320, 66397716), (330, 64385664), (336, 63235920), (340, 62491968), (352, 60361560), (357, 59516160), (360, 59020192), (374, 56810880), (384, 55331430), (385, 55187712), (396, 53654720), (408, 52076640), (420, 50588736), (440, 48289248), (448, 47426940), (462, 45989760), (476, 44637120), (480, 44265144), (495, 42923776), (504, 42157280), (510, 41661312), (528, 40241040), (544, 39057480), (560, 37941552), (561, 37873920), (576, 36887620), (595, 35709696), (612, 34717760), (616, 34492320), (630, 33725824), (640, 33198858), (660, 32192832), (672, 31617960), (680, 31245984), (693, 30659840), (704, 30180780), (714, 29758080), (720, 29510096), (748, 28405440), (765, 27774208), (768, 27665715), (770, 27593856), (792, 26827360), (816, 26038320), (840, 25294368), (880, 24144624), (896, 23713470), (924, 22994880), (935, 22724352), (952, 22318560), (960, 22132572), (990, 21461888), (1008, 21078640), (1020, 20830656), (1056, 20120520), (1071, 19838720), (1088, 19528740), (1120, 18970776), (1122, 18936960), (1152, 18443810), (1155, 18395904), (1190, 17854848), (1224, 17358880), (1232, 17246160), (1260, 16862912), (1280, 16599429), (1309, 16231680), (1320, 16096416), (1344, 15808980), (1360, 15622992), (1386, 15329920), (1408, 15090390), (1409, 15079680), (1428, 14879040), (1440, 14755048), (1496, 14202720), (1530, 13887104), (1540, 13796928), (1584, 13413680), (1632, 13019160), (1680, 12647184), (1683, 12624640), (1760, 12072312), (1785, 11903232), (1792, 11856735), (1848, 11497440), (1870, 11362176), (1904, 11159280), (1920, 11066286), (1980, 10730944), (2016, 10539320), (2040, 10415328), (2112, 10060260), (2142, 9919360), (2176, 9764370), (2240, 9485388), (2244, 9468480), (2304, 9221905), (2310, 9197952), (2380, 8927424), (2448, 8679440), (2464, 8623080), (2520, 8431456), (2618, 8115840), (2640, 8048208), (2688, 7904490), (2720, 7811496), (2772, 7664960), (2805, 7574784), (2816, 7545195), (2818, 7539840), (2856, 7439520), (2880, 7377524), (2992, 7101360), (3060, 6943552), (3080, 6898464), (3168, 6706840), (3264, 6509580), (3360, 6323592), (3366, 6312320), (3465, 6131968), (3520, 6036156), (3570, 5951616), (3696, 5748720), (3740, 5681088), (3808, 5579640), (3840, 5533143), (3927, 5410560), (3960, 5365472), (4032, 5269660), (4080, 5207664), (4224, 5030130), (4227, 5026560), (4284, 4959680), (4352, 4882185), (4480, 4742694), (4488, 4734240), (4620, 4598976), (4760, 4463712), (4896, 4339720), (4928, 4311540), (5040, 4215728), (5236, 4057920), (5280, 4024104), (5355, 3967744), (5376, 3952245), (5440, 3905748), (5544, 3832480), (5610, 3787392), (5636, 3769920), (5712, 3719760), (5760, 3688762), (5984, 3550680), (6120, 3471776), (6160, 3449232), (6336, 3353420), (6528, 3254790), (6545, 3246336), (6720, 3161796), (6732, 3156160), (6930, 3065984), (7040, 3018078), (7045, 3015936), (7140, 2975808), (7392, 2874360), (7480, 2840544), (7616, 2789820), (7854, 2705280), (7920, 2682736), (8064, 2634830), (8160, 2603832), (8415, 2524928), (8448, 2515065), (8454, 2513280), (8568, 2479840), (8960, 2371347), (8976, 2367120), (9240, 2299488), (9520, 2231856), (9792, 2169860), (9856, 2155770), (9863, 2154240), (10080, 2107864), (10472, 2028960), (10560, 2012052), (10710, 1983872), (10880, 1952874), (11088, 1916240), (11220, 1893696), (11272, 1884960), (11424, 1859880), (11520, 1844381), (11781, 1803520), (11968, 1775340), (12240, 1735888), (12320, 1724616), (12672, 1676710), (12681, 1675520), (13056, 1627395), (13090, 1623168), (13440, 1580898), (13464, 1578080), (13860, 1532992), (14080, 1509039), (14090, 1507968), (14280, 1487904), (14784, 1437180), (14960, 1420272), (15232, 1394910), (15499, 1370880), (15708, 1352640), (15840, 1341368), (16128, 1317415), (16320, 1301916), (16830, 1262464), (16908, 1256640), (17136, 1239920), (17952, 1183560), (18480, 1149744), (19040, 1115928), (19584, 1084930), (19635, 1082112), (19712, 1077885), (19726, 1077120), (20160, 1053932), (20944, 1014480), (21120, 1006026), (21135, 1005312), (21420, 991936), (21760, 976437), (22176, 958120), (22440, 946848), (22544, 942480), (22848, 929940), (23562, 901760), (23936, 887670), (23953, 887040), (24480, 867944), (24640, 862308), (25344, 838355), (25362, 837760), (26180, 811584), (26880, 790449), (26928, 789040), (27720, 766496), (28180, 753984), (28560, 743952), (29568, 718590), (29589, 718080), (29920, 710136), (30464, 697455), (30998, 685440), (31416, 676320), (31680, 670684), (32640, 650958), (33660, 631232), (33816, 628320), (34272, 619960), (35904, 591780), (36960, 574872), (38080, 557964), (39168, 542465), (39270, 541056), (39452, 538560), (40320, 526966), (41888, 507240), (42240, 503013), (42270, 502656), (42840, 495968), (44352, 479060), (44880, 473424), (45088, 471240), (45696, 464970), (46497, 456960), (47124, 450880), (47872, 443835), (47906, 443520), (48960, 433972), (49280, 431154), (49315, 430848), (50724, 418880), (52360, 405792), (53856, 394520), (55440, 383248), (56360, 376992), (57120, 371976), (58905, 360704), (59136, 359295), (59178, 359040), (59840, 355068), (61996, 342720), (62832, 338160), (63360, 335342), (63405, 335104), (65280, 325479), (67320, 315616), (67632, 314160), (68544, 309980), (71808, 295890), (71859, 295680), (73920, 287436), (76160, 278982), (77495, 274176), (78540, 270528), (78904, 269280), (80640, 263483), (83776, 253620), (84540, 251328), (85680, 247984), (88704, 239530), (88767, 239360), (89760, 236712), (90176, 235620), (91392, 232485), (92994, 228480), (94248, 225440), (95812, 221760), (97920, 216986), (98560, 215577), (98630, 215424), (101448, 209440), (104720, 202896), (107712, 197260), (108493, 195840), (110880, 191624), (112720, 188496), (114240, 185988), (117810, 180352), (118356, 179520), (119680, 177534), (119765, 177408), (123992, 171360), (125664, 169080), (126720, 167671), (126810, 167552), (134640, 157808), (135264, 157080), (137088, 154990), (139491, 152320), (143616, 147945), (143718, 147840)]