21020238720

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 768

約数和(自身を含む): 83551366080

約数和(自身を除く): 62531127360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 37, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 74, 78, 80, 81, 90, 96, 104, 108, 111, 117, 120, 128, 130, 135, 144, 148, 156, 160, 162, 180, 185, 192, 195, 208, 216, 222, 234, 240, 243, 260, 270, 281, 288, 296, 312, 320, 324, 333, 351, 360, 370, 384, 390, 405, 416, 432, 444, 468, 480, 481, 486, 520, 540, 555, 562, 576, 585, 592, 624, 640, 648, 666, 702, 720, 740, 780, 810, 832, 843, 864, 888, 936, 960, 962, 972, 999, 1040, 1053, 1080, 1110, 1124, 1152, 1170, 1184, 1215, 1248, 1296, 1332, 1404, 1405, 1440, 1443, 1480, 1560, 1620, 1664, 1665, 1686, 1728, 1755, 1776, 1872, 1920, 1924, 1944, 1998, 2080, 2106, 2160, 2220, 2248, 2340, 2368, 2405, 2430, 2496, 2529, 2592, 2664, 2808, 2810, 2880, 2886, 2960, 2997, 3120, 3159, 3240, 3330, 3372, 3456, 3510, 3552, 3653, 3744, 3848, 3888, 3996, 4160, 4212, 4215, 4320, 4329, 4440, 4496, 4680, 4736, 4810, 4860, 4992, 4995, 5058, 5184, 5265, 5328, 5616, 5620, 5760, 5772, 5920, 5994, 6240, 6318, 6480, 6660, 6744, 7020, 7104, 7215, 7306, 7488, 7587, 7696, 7776, 7992, 8320, 8424, 8430, 8640, 8658, 8880, 8991, 8992, 9360, 9620, 9720, 9990, 10116, 10368, 10397, 10530, 10656, 10959, 11232, 11240, 11544, 11840, 11988, 12480, 12636, 12645, 12960, 12987, 13320, 13488, 14040, 14208, 14430, 14612, 14976, 14985, 15174, 15392, 15552, 15795, 15984, 16848, 16860, 17280, 17316, 17760, 17982, 17984, 18265, 18720, 19240, 19440, 19980, 20232, 20794, 21060, 21312, 21645, 21918, 22464, 22480, 22761, 23088, 23680, 23976, 24960, 25272, 25290, 25920, 25974, 26640, 26976, 28080, 28860, 29224, 29970, 30348, 30784, 31104, 31191, 31590, 31968, 32877, 33696, 33720, 34632, 35520, 35964, 35968, 36530, 37440, 37935, 38480, 38880, 38961, 39960, 40464, 41588, 42120, 42624, 43290, 43836, 44928, 44955, 44960, 45522, 46176, 47952, 50544, 50580, 51840, 51948, 51985, 53280, 53952, 54795, 56160, 57720, 58448, 59940, 60696, 61568, 62382, 63180, 63936, 64935, 65754, 67392, 67440, 68283, 69264, 71040, 71928, 73060, 74880, 75870, 76960, 77760, 77922, 79920, 80928, 83176, 84240, 86580, 87672, 89910, 89920, 91044, 92352, 93573, 95904, 98631, 101088, 101160, 103896, 103970, 106560, 107904, 109590, 112320, 113805, 115440, 116883, 116896, 119880, 121392, 124764, 126360, 127872, 129870, 131508, 134784, 134880, 135161, 136566, 138528, 143856, 146120, 151740, 153920, 155520, 155844, 155955, 159840, 161856, 164385, 166352, 168480, 173160, 175344, 179820, 179840, 182088, 184704, 187146, 191808, 194805, 197262, 202176, 202320, 207792, 207940, 213120, 219180, 224640, 227610, 230880, 233766, 233792, 239760, 242784, 249528, 252720, 259740, 263016, 269760, 270322, 273132, 277056, 280719, 287712, 292240, 295893, 303480, 307840, 311688, 311910, 319680, 323712, 328770, 332704, 336960, 341415, 346320, 350688, 359640, 364176, 374292, 383616, 389610, 394524, 404352, 404640, 405483, 415584, 415880, 438360, 455220, 461760, 467532, 467584, 467865, 479520, 485568, 493155, 499056, 505440, 519480, 526032, 539520, 540644, 546264, 554112, 561438, 575424, 584415, 584480, 591786, 606960, 623376, 623820, 639360, 657540, 665408, 673920, 675805, 682830, 692640, 701376, 719280, 728352, 748584, 779220, 789048, 809280, 810966, 831168, 831760, 842157, 876720, 887679, 910440, 923520, 935064, 935730, 959040, 971136, 986310, 998112, 1010880, 1038960, 1052064, 1081288, 1092528, 1122876, 1150848, 1168830, 1168960, 1183572, 1213920, 1216449, 1246752, 1247640, 1315080, 1330816, 1351610, 1365660, 1385280, 1402752, 1403595, 1438560, 1456704, 1479465, 1497168, 1558440, 1578096, 1618560, 1621932, 1662336, 1663520, 1684314, 1753440, 1775358, 1820880, 1870128, 1871460, 1918080, 1972620, 1996224, 2021760, 2027415, 2077920, 2104128, 2162576, 2185056, 2245752, 2337660, 2337920, 2367144, 2427840, 2432898, 2493504, 2495280, 2526471, 2630160, 2703220, 2731320, 2770560, 2807190, 2877120, 2913408, 2958930, 2994336, 3116880, 3156192, 3243864, 3327040, 3368628, 3506880, 3550716, 3641760, 3649347, 3740256, 3742920, 3945240, 3992448, 4054830, 4155840, 4208256, 4210785, 4325152, 4370112, 4438395, 4491504, 4675320, 4734288, 4855680, 4865796, 4987008, 4990560, 5052942, 5260320, 5406440, 5462640, 5614380, 5754240, 5917860, 5988672, 6082245, 6233760, 6312384, 6487728, 6654080, 6737256, 7013760, 7101432, 7283520, 7298694, 7480512, 7485840, 7890480, 8109660, 8311680, 8421570, 8650304, 8740224, 8876790, 8983008, 9350640, 9468576, 9731592, 9981120, 10105884, 10520640, 10812880, 10925280, 10948041, 11228760, 11835720, 11977344, 12164490, 12467520, 12624768, 12632355, 12975456, 13474512, 14202864, 14567040, 14597388, 14961024, 14971680, 15780960, 16219320, 16843140, 17300608, 17753580, 17966016, 18246735, 18701280, 18937152, 19463184, 19962240, 20211768, 21041280, 21625760, 21850560, 21896082, 22457520, 23671440, 24328980, 24935040, 25264710, 25950912, 26949024, 28405728, 29194776, 29943360, 31561920, 32438640, 32844123, 33686280, 35507160, 35932032, 36493470, 37402560, 37874304, 38926368, 40423536, 43251520, 43701120, 43792164, 44915040, 47342880, 48657960, 50529420, 51901824, 53898048, 54740205, 56811456, 58389552, 59886720, 63123840, 64877280, 65688246, 67372560, 71014320, 72986940, 74805120, 77852736, 80847072, 86503040, 87584328, 89830080, 94685760, 97315920, 101058840, 107796096, 109480410, 113622912, 116779104, 129754560, 131376492, 134745120, 142028640, 145973880, 155705472, 161694144, 164220615, 175168656, 179660160, 189371520, 194631840, 202117680, 218960820, 233558208, 259509120, 262752984, 269490240, 284057280, 291947760, 323388288, 328441230, 350337312, 389263680, 404235360, 437921640, 467116416, 525505968, 538980480, 568114560, 583895520, 656882460, 700674624, 778527360, 808470720, 875843280, 1051011936, 1167791040, 1313764920, 1401349248, 1616941440, 1751686560, 2102023872, 2335582080, 2627529840, 3503373120, 4204047744, 5255059680, 7006746240, 10510119360, 21020238720]

約数ペア:

[(1, 21020238720), (2, 10510119360), (3, 7006746240), (4, 5255059680), (5, 4204047744), (6, 3503373120), (8, 2627529840), (9, 2335582080), (10, 2102023872), (12, 1751686560), (13, 1616941440), (15, 1401349248), (16, 1313764920), (18, 1167791040), (20, 1051011936), (24, 875843280), (26, 808470720), (27, 778527360), (30, 700674624), (32, 656882460), (36, 583895520), (37, 568114560), (39, 538980480), (40, 525505968), (45, 467116416), (48, 437921640), (52, 404235360), (54, 389263680), (60, 350337312), (64, 328441230), (65, 323388288), (72, 291947760), (74, 284057280), (78, 269490240), (80, 262752984), (81, 259509120), (90, 233558208), (96, 218960820), (104, 202117680), (108, 194631840), (111, 189371520), (117, 179660160), (120, 175168656), (128, 164220615), (130, 161694144), (135, 155705472), (144, 145973880), (148, 142028640), (156, 134745120), (160, 131376492), (162, 129754560), (180, 116779104), (185, 113622912), (192, 109480410), (195, 107796096), (208, 101058840), (216, 97315920), (222, 94685760), (234, 89830080), (240, 87584328), (243, 86503040), (260, 80847072), (270, 77852736), (281, 74805120), (288, 72986940), (296, 71014320), (312, 67372560), (320, 65688246), (324, 64877280), (333, 63123840), (351, 59886720), (360, 58389552), (370, 56811456), (384, 54740205), (390, 53898048), (405, 51901824), (416, 50529420), (432, 48657960), (444, 47342880), (468, 44915040), (480, 43792164), (481, 43701120), (486, 43251520), (520, 40423536), (540, 38926368), (555, 37874304), (562, 37402560), (576, 36493470), (585, 35932032), (592, 35507160), (624, 33686280), (640, 32844123), (648, 32438640), (666, 31561920), (702, 29943360), (720, 29194776), (740, 28405728), (780, 26949024), (810, 25950912), (832, 25264710), (843, 24935040), (864, 24328980), (888, 23671440), (936, 22457520), (960, 21896082), (962, 21850560), (972, 21625760), (999, 21041280), (1040, 20211768), (1053, 19962240), (1080, 19463184), (1110, 18937152), (1124, 18701280), (1152, 18246735), (1170, 17966016), (1184, 17753580), (1215, 17300608), (1248, 16843140), (1296, 16219320), (1332, 15780960), (1404, 14971680), (1405, 14961024), (1440, 14597388), (1443, 14567040), (1480, 14202864), (1560, 13474512), (1620, 12975456), (1664, 12632355), (1665, 12624768), (1686, 12467520), (1728, 12164490), (1755, 11977344), (1776, 11835720), (1872, 11228760), (1920, 10948041), (1924, 10925280), (1944, 10812880), (1998, 10520640), (2080, 10105884), (2106, 9981120), (2160, 9731592), (2220, 9468576), (2248, 9350640), (2340, 8983008), (2368, 8876790), (2405, 8740224), (2430, 8650304), (2496, 8421570), (2529, 8311680), (2592, 8109660), (2664, 7890480), (2808, 7485840), (2810, 7480512), (2880, 7298694), (2886, 7283520), (2960, 7101432), (2997, 7013760), (3120, 6737256), (3159, 6654080), (3240, 6487728), (3330, 6312384), (3372, 6233760), (3456, 6082245), (3510, 5988672), (3552, 5917860), (3653, 5754240), (3744, 5614380), (3848, 5462640), (3888, 5406440), (3996, 5260320), (4160, 5052942), (4212, 4990560), (4215, 4987008), (4320, 4865796), (4329, 4855680), (4440, 4734288), (4496, 4675320), (4680, 4491504), (4736, 4438395), (4810, 4370112), (4860, 4325152), (4992, 4210785), (4995, 4208256), (5058, 4155840), (5184, 4054830), (5265, 3992448), (5328, 3945240), (5616, 3742920), (5620, 3740256), (5760, 3649347), (5772, 3641760), (5920, 3550716), (5994, 3506880), (6240, 3368628), (6318, 3327040), (6480, 3243864), (6660, 3156192), (6744, 3116880), (7020, 2994336), (7104, 2958930), (7215, 2913408), (7306, 2877120), (7488, 2807190), (7587, 2770560), (7696, 2731320), (7776, 2703220), (7992, 2630160), (8320, 2526471), (8424, 2495280), (8430, 2493504), (8640, 2432898), (8658, 2427840), (8880, 2367144), (8991, 2337920), (8992, 2337660), (9360, 2245752), (9620, 2185056), (9720, 2162576), (9990, 2104128), (10116, 2077920), (10368, 2027415), (10397, 2021760), (10530, 1996224), (10656, 1972620), (10959, 1918080), (11232, 1871460), (11240, 1870128), (11544, 1820880), (11840, 1775358), (11988, 1753440), (12480, 1684314), (12636, 1663520), (12645, 1662336), (12960, 1621932), (12987, 1618560), (13320, 1578096), (13488, 1558440), (14040, 1497168), (14208, 1479465), (14430, 1456704), (14612, 1438560), (14976, 1403595), (14985, 1402752), (15174, 1385280), (15392, 1365660), (15552, 1351610), (15795, 1330816), (15984, 1315080), (16848, 1247640), (16860, 1246752), (17280, 1216449), (17316, 1213920), (17760, 1183572), (17982, 1168960), (17984, 1168830), (18265, 1150848), (18720, 1122876), (19240, 1092528), (19440, 1081288), (19980, 1052064), (20232, 1038960), (20794, 1010880), (21060, 998112), (21312, 986310), (21645, 971136), (21918, 959040), (22464, 935730), (22480, 935064), (22761, 923520), (23088, 910440), (23680, 887679), (23976, 876720), (24960, 842157), (25272, 831760), (25290, 831168), (25920, 810966), (25974, 809280), (26640, 789048), (26976, 779220), (28080, 748584), (28860, 728352), (29224, 719280), (29970, 701376), (30348, 692640), (30784, 682830), (31104, 675805), (31191, 673920), (31590, 665408), (31968, 657540), (32877, 639360), (33696, 623820), (33720, 623376), (34632, 606960), (35520, 591786), (35964, 584480), (35968, 584415), (36530, 575424), (37440, 561438), (37935, 554112), (38480, 546264), (38880, 540644), (38961, 539520), (39960, 526032), (40464, 519480), (41588, 505440), (42120, 499056), (42624, 493155), (43290, 485568), (43836, 479520), (44928, 467865), (44955, 467584), (44960, 467532), (45522, 461760), (46176, 455220), (47952, 438360), (50544, 415880), (50580, 415584), (51840, 405483), (51948, 404640), (51985, 404352), (53280, 394524), (53952, 389610), (54795, 383616), (56160, 374292), (57720, 364176), (58448, 359640), (59940, 350688), (60696, 346320), (61568, 341415), (62382, 336960), (63180, 332704), (63936, 328770), (64935, 323712), (65754, 319680), (67392, 311910), (67440, 311688), (68283, 307840), (69264, 303480), (71040, 295893), (71928, 292240), (73060, 287712), (74880, 280719), (75870, 277056), (76960, 273132), (77760, 270322), (77922, 269760), (79920, 263016), (80928, 259740), (83176, 252720), (84240, 249528), (86580, 242784), (87672, 239760), (89910, 233792), (89920, 233766), (91044, 230880), (92352, 227610), (93573, 224640), (95904, 219180), (98631, 213120), (101088, 207940), (101160, 207792), (103896, 202320), (103970, 202176), (106560, 197262), (107904, 194805), (109590, 191808), (112320, 187146), (113805, 184704), (115440, 182088), (116883, 179840), (116896, 179820), (119880, 175344), (121392, 173160), (124764, 168480), (126360, 166352), (127872, 164385), (129870, 161856), (131508, 159840), (134784, 155955), (134880, 155844), (135161, 155520), (136566, 153920), (138528, 151740), (143856, 146120)]