21000918120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:977

約数の個数: 512

約数和(自身を含む): 82368921600

約数和(自身を除く): 61368003480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 127, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 254, 260, 266, 273, 280, 285, 312, 364, 380, 381, 390, 399, 420, 455, 456, 494, 508, 520, 532, 546, 570, 635, 665, 728, 741, 760, 762, 780, 797, 798, 840, 889, 910, 988, 1016, 1064, 1092, 1140, 1235, 1270, 1330, 1365, 1482, 1524, 1560, 1594, 1596, 1651, 1729, 1778, 1820, 1905, 1976, 1995, 2184, 2280, 2391, 2413, 2470, 2540, 2660, 2667, 2730, 2964, 3048, 3188, 3192, 3302, 3458, 3556, 3640, 3705, 3810, 3985, 3990, 4445, 4782, 4826, 4940, 4953, 5080, 5187, 5320, 5334, 5460, 5579, 5928, 6376, 6604, 6916, 7112, 7239, 7410, 7620, 7970, 7980, 8255, 8645, 8890, 9564, 9652, 9880, 9906, 10361, 10374, 10668, 10920, 11158, 11557, 11955, 12065, 13208, 13335, 13832, 14478, 14820, 15143, 15240, 15940, 15960, 16510, 16737, 16891, 17290, 17780, 19128, 19304, 19812, 20722, 20748, 21336, 22316, 23114, 23910, 24130, 24765, 25935, 26670, 27895, 28956, 29640, 30286, 31083, 31369, 31880, 33020, 33474, 33782, 34580, 34671, 35560, 36195, 39624, 41444, 41496, 44632, 45429, 46228, 47820, 48260, 49530, 50673, 51805, 51870, 53340, 55790, 57785, 57912, 60572, 62166, 62738, 66040, 66948, 67564, 69160, 69342, 72390, 72527, 75715, 82888, 83685, 84455, 90858, 92456, 94107, 95640, 96520, 99060, 101219, 101346, 103610, 103740, 106001, 106680, 111580, 115570, 121144, 124332, 125476, 133896, 135128, 138684, 144780, 145054, 151430, 155415, 156845, 167370, 168910, 173355, 181716, 188214, 196859, 198120, 202438, 202692, 207220, 207480, 212002, 217581, 219583, 223160, 227145, 231140, 248664, 250952, 253365, 277368, 289560, 290108, 302860, 303657, 310830, 313690, 318003, 334740, 337820, 346710, 362635, 363432, 376428, 393718, 404876, 405384, 414440, 424004, 435162, 439166, 454290, 462280, 470535, 506095, 506730, 530005, 580216, 590577, 605720, 607314, 621660, 627380, 636006, 658749, 669480, 675640, 693420, 708533, 725270, 752856, 787436, 809752, 848008, 870324, 878332, 908580, 941070, 984295, 1012190, 1013460, 1060010, 1087905, 1097915, 1181154, 1214628, 1243320, 1254760, 1272012, 1315847, 1317498, 1378013, 1386840, 1417066, 1450540, 1518285, 1574872, 1590015, 1740648, 1756664, 1817160, 1882140, 1923161, 1968590, 2024380, 2026920, 2120020, 2125599, 2175810, 2195830, 2362308, 2429256, 2544024, 2631694, 2634996, 2756026, 2834132, 2901080, 2952885, 3036570, 3180030, 3293745, 3542665, 3764280, 3846322, 3937180, 3947541, 4048760, 4134039, 4240040, 4251198, 4351620, 4391660, 4724616, 5263388, 5269992, 5512052, 5668264, 5769483, 5905770, 6073140, 6360060, 6579235, 6587490, 6890065, 7085330, 7692644, 7874360, 7895082, 8268078, 8502396, 8703240, 8783320, 9210929, 9615805, 10526776, 10627995, 11024104, 11538966, 11811540, 12146280, 12720120, 13158470, 13174980, 13462127, 13780130, 14170660, 15385288, 15790164, 16536156, 17004792, 18421858, 19231610, 19737705, 20670195, 21255990, 23077932, 23623080, 25001093, 26316940, 26349960, 26924254, 27560260, 27632787, 28341320, 28847415, 31580328, 33072312, 36843716, 38463220, 39475410, 40386381, 41340390, 42511980, 46054645, 46155864, 50002186, 52633880, 53848508, 55120520, 55265574, 57694830, 67310635, 73687432, 75003279, 76926440, 78950820, 80772762, 82680780, 85023960, 92109290, 100004372, 107697016, 110531148, 115389660, 125005465, 134621270, 138163935, 150006558, 157901640, 161545524, 165361560, 175007651, 184218580, 200008744, 201931905, 221062296, 230779320, 250010930, 269242540, 276327870, 300013116, 323091048, 350015302, 368437160, 375016395, 403863810, 500021860, 525022953, 538485080, 552655740, 600026232, 700030604, 750032790, 807727620, 875038255, 1000043720, 1050045906, 1105311480, 1400061208, 1500065580, 1615455240, 1750076510, 2100091812, 2625114765, 3000131160, 3500153020, 4200183624, 5250229530, 7000306040, 10500459060, 21000918120]

約数ペア:

[(1, 21000918120), (2, 10500459060), (3, 7000306040), (4, 5250229530), (5, 4200183624), (6, 3500153020), (7, 3000131160), (8, 2625114765), (10, 2100091812), (12, 1750076510), (13, 1615455240), (14, 1500065580), (15, 1400061208), (19, 1105311480), (20, 1050045906), (21, 1000043720), (24, 875038255), (26, 807727620), (28, 750032790), (30, 700030604), (35, 600026232), (38, 552655740), (39, 538485080), (40, 525022953), (42, 500021860), (52, 403863810), (56, 375016395), (57, 368437160), (60, 350015302), (65, 323091048), (70, 300013116), (76, 276327870), (78, 269242540), (84, 250010930), (91, 230779320), (95, 221062296), (104, 201931905), (105, 200008744), (114, 184218580), (120, 175007651), (127, 165361560), (130, 161545524), (133, 157901640), (140, 150006558), (152, 138163935), (156, 134621270), (168, 125005465), (182, 115389660), (190, 110531148), (195, 107697016), (210, 100004372), (228, 92109290), (247, 85023960), (254, 82680780), (260, 80772762), (266, 78950820), (273, 76926440), (280, 75003279), (285, 73687432), (312, 67310635), (364, 57694830), (380, 55265574), (381, 55120520), (390, 53848508), (399, 52633880), (420, 50002186), (455, 46155864), (456, 46054645), (494, 42511980), (508, 41340390), (520, 40386381), (532, 39475410), (546, 38463220), (570, 36843716), (635, 33072312), (665, 31580328), (728, 28847415), (741, 28341320), (760, 27632787), (762, 27560260), (780, 26924254), (797, 26349960), (798, 26316940), (840, 25001093), (889, 23623080), (910, 23077932), (988, 21255990), (1016, 20670195), (1064, 19737705), (1092, 19231610), (1140, 18421858), (1235, 17004792), (1270, 16536156), (1330, 15790164), (1365, 15385288), (1482, 14170660), (1524, 13780130), (1560, 13462127), (1594, 13174980), (1596, 13158470), (1651, 12720120), (1729, 12146280), (1778, 11811540), (1820, 11538966), (1905, 11024104), (1976, 10627995), (1995, 10526776), (2184, 9615805), (2280, 9210929), (2391, 8783320), (2413, 8703240), (2470, 8502396), (2540, 8268078), (2660, 7895082), (2667, 7874360), (2730, 7692644), (2964, 7085330), (3048, 6890065), (3188, 6587490), (3192, 6579235), (3302, 6360060), (3458, 6073140), (3556, 5905770), (3640, 5769483), (3705, 5668264), (3810, 5512052), (3985, 5269992), (3990, 5263388), (4445, 4724616), (4782, 4391660), (4826, 4351620), (4940, 4251198), (4953, 4240040), (5080, 4134039), (5187, 4048760), (5320, 3947541), (5334, 3937180), (5460, 3846322), (5579, 3764280), (5928, 3542665), (6376, 3293745), (6604, 3180030), (6916, 3036570), (7112, 2952885), (7239, 2901080), (7410, 2834132), (7620, 2756026), (7970, 2634996), (7980, 2631694), (8255, 2544024), (8645, 2429256), (8890, 2362308), (9564, 2195830), (9652, 2175810), (9880, 2125599), (9906, 2120020), (10361, 2026920), (10374, 2024380), (10668, 1968590), (10920, 1923161), (11158, 1882140), (11557, 1817160), (11955, 1756664), (12065, 1740648), (13208, 1590015), (13335, 1574872), (13832, 1518285), (14478, 1450540), (14820, 1417066), (15143, 1386840), (15240, 1378013), (15940, 1317498), (15960, 1315847), (16510, 1272012), (16737, 1254760), (16891, 1243320), (17290, 1214628), (17780, 1181154), (19128, 1097915), (19304, 1087905), (19812, 1060010), (20722, 1013460), (20748, 1012190), (21336, 984295), (22316, 941070), (23114, 908580), (23910, 878332), (24130, 870324), (24765, 848008), (25935, 809752), (26670, 787436), (27895, 752856), (28956, 725270), (29640, 708533), (30286, 693420), (31083, 675640), (31369, 669480), (31880, 658749), (33020, 636006), (33474, 627380), (33782, 621660), (34580, 607314), (34671, 605720), (35560, 590577), (36195, 580216), (39624, 530005), (41444, 506730), (41496, 506095), (44632, 470535), (45429, 462280), (46228, 454290), (47820, 439166), (48260, 435162), (49530, 424004), (50673, 414440), (51805, 405384), (51870, 404876), (53340, 393718), (55790, 376428), (57785, 363432), (57912, 362635), (60572, 346710), (62166, 337820), (62738, 334740), (66040, 318003), (66948, 313690), (67564, 310830), (69160, 303657), (69342, 302860), (72390, 290108), (72527, 289560), (75715, 277368), (82888, 253365), (83685, 250952), (84455, 248664), (90858, 231140), (92456, 227145), (94107, 223160), (95640, 219583), (96520, 217581), (99060, 212002), (101219, 207480), (101346, 207220), (103610, 202692), (103740, 202438), (106001, 198120), (106680, 196859), (111580, 188214), (115570, 181716), (121144, 173355), (124332, 168910), (125476, 167370), (133896, 156845), (135128, 155415), (138684, 151430), (144780, 145054)]