21041153280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 864

約数和(自身を含む): 90608394240

約数和(自身を除く): 69567240960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 31, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 62, 63, 64, 70, 72, 76, 80, 84, 90, 93, 95, 96, 105, 112, 114, 120, 124, 126, 128, 133, 140, 144, 152, 155, 160, 168, 171, 180, 186, 190, 192, 210, 217, 224, 228, 240, 248, 252, 256, 266, 279, 280, 285, 288, 304, 310, 315, 320, 336, 342, 360, 372, 380, 384, 399, 420, 434, 443, 448, 456, 465, 480, 496, 504, 532, 558, 560, 570, 576, 589, 608, 620, 630, 640, 651, 665, 672, 684, 720, 744, 760, 768, 798, 840, 855, 868, 886, 896, 912, 930, 960, 992, 1008, 1064, 1085, 1116, 1120, 1140, 1152, 1178, 1197, 1216, 1240, 1260, 1280, 1302, 1329, 1330, 1344, 1368, 1395, 1440, 1488, 1520, 1596, 1680, 1710, 1736, 1767, 1772, 1792, 1824, 1860, 1920, 1953, 1984, 1995, 2016, 2128, 2170, 2215, 2232, 2240, 2280, 2304, 2356, 2394, 2432, 2480, 2520, 2604, 2658, 2660, 2688, 2736, 2790, 2880, 2945, 2976, 3040, 3101, 3192, 3255, 3360, 3420, 3472, 3534, 3544, 3648, 3720, 3840, 3906, 3968, 3987, 3990, 4032, 4123, 4256, 4340, 4430, 4464, 4480, 4560, 4712, 4788, 4864, 4960, 5040, 5208, 5301, 5316, 5320, 5376, 5472, 5580, 5760, 5890, 5952, 5985, 6080, 6202, 6384, 6510, 6645, 6720, 6840, 6944, 7068, 7088, 7296, 7440, 7812, 7936, 7974, 7980, 8064, 8246, 8417, 8512, 8680, 8835, 8860, 8928, 8960, 9120, 9303, 9424, 9576, 9765, 9920, 10080, 10416, 10602, 10632, 10640, 10944, 11160, 11520, 11780, 11904, 11970, 12160, 12369, 12404, 12768, 13020, 13290, 13440, 13680, 13733, 13888, 14136, 14176, 14592, 14880, 15505, 15624, 15948, 15960, 16128, 16492, 16834, 17024, 17360, 17670, 17720, 17856, 18240, 18606, 18848, 19152, 19530, 19840, 19935, 20160, 20615, 20832, 21204, 21264, 21280, 21888, 22320, 23560, 23808, 23940, 24320, 24738, 24808, 25251, 25536, 26040, 26505, 26580, 26880, 27360, 27466, 27776, 27909, 28272, 28352, 29760, 31010, 31248, 31896, 31920, 32984, 33668, 34048, 34720, 35340, 35440, 35712, 36480, 37107, 37212, 37696, 38304, 39060, 39680, 39870, 40320, 41199, 41230, 41664, 42085, 42408, 42528, 42560, 43776, 44640, 46515, 47120, 47880, 49476, 49616, 50502, 51072, 52080, 53010, 53160, 54720, 54932, 55552, 55818, 56544, 56704, 58919, 59520, 61845, 62020, 62496, 63792, 63840, 65968, 67336, 68665, 69440, 70680, 70880, 71424, 72960, 74214, 74424, 75392, 75753, 76608, 78120, 79740, 80640, 82398, 82460, 83328, 84170, 84816, 85056, 85120, 89280, 93030, 94240, 95760, 96131, 98952, 99232, 101004, 102144, 104160, 106020, 106320, 109440, 109864, 111636, 113088, 113408, 117838, 119040, 123597, 123690, 124040, 124992, 126255, 127584, 127680, 131936, 134672, 137330, 138880, 139545, 141360, 141760, 148428, 148848, 150784, 151506, 153216, 156240, 159480, 164796, 164920, 166656, 168340, 169632, 170112, 170240, 176757, 178560, 185535, 186060, 188480, 191520, 192262, 197904, 198464, 202008, 205995, 208320, 212040, 212640, 218880, 219728, 223272, 226176, 235676, 247194, 247380, 248080, 249984, 252510, 255168, 255360, 260927, 263872, 269344, 274660, 277760, 279090, 282720, 283520, 288393, 294595, 296856, 297696, 303012, 306432, 312480, 318960, 329592, 329840, 336680, 339264, 340224, 353514, 357120, 371070, 372120, 376960, 378765, 383040, 384524, 395808, 396928, 404016, 411990, 416640, 424080, 425280, 439456, 446544, 452352, 471352, 480655, 494388, 494760, 496160, 499968, 505020, 510336, 510720, 521854, 527744, 530271, 538688, 549320, 558180, 565440, 567040, 576786, 589190, 593712, 595392, 606024, 617985, 624960, 637920, 659184, 659680, 673360, 678528, 707028, 742140, 744240, 753920, 757530, 766080, 769048, 782781, 791616, 793856, 808032, 823980, 833280, 848160, 850560, 865179, 878912, 883785, 893088, 942704, 961310, 988776, 989520, 992320, 1010040, 1020672, 1043708, 1055488, 1060542, 1077376, 1098640, 1116360, 1130880, 1153572, 1178380, 1187424, 1190784, 1212048, 1235970, 1249920, 1275840, 1304635, 1318368, 1319360, 1346720, 1357056, 1414056, 1441965, 1484280, 1488480, 1515060, 1532160, 1538096, 1565562, 1583232, 1616064, 1647960, 1696320, 1701120, 1730358, 1757824, 1767570, 1786176, 1826489, 1885408, 1922620, 1977552, 1979040, 1984640, 2020080, 2087416, 2121084, 2154752, 2197280, 2232720, 2261760, 2307144, 2348343, 2356760, 2374848, 2381568, 2424096, 2471940, 2499840, 2551680, 2609270, 2636736, 2638720, 2651355, 2693440, 2828112, 2883930, 2968560, 2976960, 3030120, 3076192, 3131124, 3166464, 3232128, 3295920, 3392640, 3460716, 3515648, 3535140, 3572352, 3652978, 3770816, 3845240, 3913905, 3955104, 3958080, 3969280, 4040160, 4174832, 4242168, 4325895, 4394560, 4465440, 4614288, 4696686, 4713520, 4749696, 4848192, 4943880, 5103360, 5218540, 5273472, 5277440, 5302710, 5386880, 5479467, 5656224, 5767860, 5937120, 5953920, 6060240, 6152384, 6262248, 6464256, 6591840, 6785280, 6921432, 7070280, 7144704, 7305956, 7541632, 7690480, 7827810, 7910208, 7916160, 8080320, 8349664, 8484336, 8651790, 8789120, 8930880, 9132445, 9228576, 9393372, 9427040, 9499392, 9696384, 9887760, 10437080, 10546944, 10605420, 10773760, 10958934, 11312448, 11535720, 11741715, 11874240, 11907840, 12120480, 12304768, 12524496, 13183680, 13842864, 14140560, 14611912, 15083264, 15380960, 15655620, 15820416, 15832320, 16160640, 16438401, 16699328, 16968672, 17303580, 17578240, 17861760, 18264890, 18457152, 18786744, 18854080, 19392768, 19775520, 20874160, 21210840, 21917868, 22624896, 23071440, 23483430, 23748480, 24240960, 24609536, 25048992, 26367360, 27397335, 27685728, 28281120, 29223824, 30761920, 31311240, 31640832, 32321280, 32876802, 33398656, 33937344, 34607160, 35723520, 36529780, 36914304, 37573488, 37708160, 39551040, 41748320, 42421680, 43835736, 45249792, 46142880, 46966860, 47496960, 48481920, 50097984, 52734720, 54794670, 55371456, 56562240, 58447648, 61523840, 62622480, 65753604, 66797312, 67874688, 69214320, 73059560, 73828608, 75146976, 75416320, 79102080, 82192005, 83496640, 84843360, 87671472, 92285760, 93933720, 96963840, 100195968, 109589340, 110742912, 113124480, 116895296, 123047680, 125244960, 131507208, 135749376, 138428640, 146119120, 150293952, 158204160, 164384010, 166993280, 169686720, 175342944, 184571520, 187867440, 200391936, 219178680, 221485824, 226248960, 233790592, 250489920, 263014416, 276857280, 292238240, 300587904, 328768020, 333986560, 339373440, 350685888, 369143040, 375734880, 438357360, 467581184, 500979840, 526028832, 553714560, 584476480, 601175808, 657536040, 678746880, 701371776, 751469760, 876714720, 1001959680, 1052057664, 1107429120, 1168952960, 1315072080, 1402743552, 1502939520, 1753429440, 2104115328, 2337905920, 2630144160, 3005879040, 3506858880, 4208230656, 5260288320, 7013717760, 10520576640, 21041153280]

約数ペア:

[(1, 21041153280), (2, 10520576640), (3, 7013717760), (4, 5260288320), (5, 4208230656), (6, 3506858880), (7, 3005879040), (8, 2630144160), (9, 2337905920), (10, 2104115328), (12, 1753429440), (14, 1502939520), (15, 1402743552), (16, 1315072080), (18, 1168952960), (19, 1107429120), (20, 1052057664), (21, 1001959680), (24, 876714720), (28, 751469760), (30, 701371776), (31, 678746880), (32, 657536040), (35, 601175808), (36, 584476480), (38, 553714560), (40, 526028832), (42, 500979840), (45, 467581184), (48, 438357360), (56, 375734880), (57, 369143040), (60, 350685888), (62, 339373440), (63, 333986560), (64, 328768020), (70, 300587904), (72, 292238240), (76, 276857280), (80, 263014416), (84, 250489920), (90, 233790592), (93, 226248960), (95, 221485824), (96, 219178680), (105, 200391936), (112, 187867440), (114, 184571520), (120, 175342944), (124, 169686720), (126, 166993280), (128, 164384010), (133, 158204160), (140, 150293952), (144, 146119120), (152, 138428640), (155, 135749376), (160, 131507208), (168, 125244960), (171, 123047680), (180, 116895296), (186, 113124480), (190, 110742912), (192, 109589340), (210, 100195968), (217, 96963840), (224, 93933720), (228, 92285760), (240, 87671472), (248, 84843360), (252, 83496640), (256, 82192005), (266, 79102080), (279, 75416320), (280, 75146976), (285, 73828608), (288, 73059560), (304, 69214320), (310, 67874688), (315, 66797312), (320, 65753604), (336, 62622480), (342, 61523840), (360, 58447648), (372, 56562240), (380, 55371456), (384, 54794670), (399, 52734720), (420, 50097984), (434, 48481920), (443, 47496960), (448, 46966860), (456, 46142880), (465, 45249792), (480, 43835736), (496, 42421680), (504, 41748320), (532, 39551040), (558, 37708160), (560, 37573488), (570, 36914304), (576, 36529780), (589, 35723520), (608, 34607160), (620, 33937344), (630, 33398656), (640, 32876802), (651, 32321280), (665, 31640832), (672, 31311240), (684, 30761920), (720, 29223824), (744, 28281120), (760, 27685728), (768, 27397335), (798, 26367360), (840, 25048992), (855, 24609536), (868, 24240960), (886, 23748480), (896, 23483430), (912, 23071440), (930, 22624896), (960, 21917868), (992, 21210840), (1008, 20874160), (1064, 19775520), (1085, 19392768), (1116, 18854080), (1120, 18786744), (1140, 18457152), (1152, 18264890), (1178, 17861760), (1197, 17578240), (1216, 17303580), (1240, 16968672), (1260, 16699328), (1280, 16438401), (1302, 16160640), (1329, 15832320), (1330, 15820416), (1344, 15655620), (1368, 15380960), (1395, 15083264), (1440, 14611912), (1488, 14140560), (1520, 13842864), (1596, 13183680), (1680, 12524496), (1710, 12304768), (1736, 12120480), (1767, 11907840), (1772, 11874240), (1792, 11741715), (1824, 11535720), (1860, 11312448), (1920, 10958934), (1953, 10773760), (1984, 10605420), (1995, 10546944), (2016, 10437080), (2128, 9887760), (2170, 9696384), (2215, 9499392), (2232, 9427040), (2240, 9393372), (2280, 9228576), (2304, 9132445), (2356, 8930880), (2394, 8789120), (2432, 8651790), (2480, 8484336), (2520, 8349664), (2604, 8080320), (2658, 7916160), (2660, 7910208), (2688, 7827810), (2736, 7690480), (2790, 7541632), (2880, 7305956), (2945, 7144704), (2976, 7070280), (3040, 6921432), (3101, 6785280), (3192, 6591840), (3255, 6464256), (3360, 6262248), (3420, 6152384), (3472, 6060240), (3534, 5953920), (3544, 5937120), (3648, 5767860), (3720, 5656224), (3840, 5479467), (3906, 5386880), (3968, 5302710), (3987, 5277440), (3990, 5273472), (4032, 5218540), (4123, 5103360), (4256, 4943880), (4340, 4848192), (4430, 4749696), (4464, 4713520), (4480, 4696686), (4560, 4614288), (4712, 4465440), (4788, 4394560), (4864, 4325895), (4960, 4242168), (5040, 4174832), (5208, 4040160), (5301, 3969280), (5316, 3958080), (5320, 3955104), (5376, 3913905), (5472, 3845240), (5580, 3770816), (5760, 3652978), (5890, 3572352), (5952, 3535140), (5985, 3515648), (6080, 3460716), (6202, 3392640), (6384, 3295920), (6510, 3232128), (6645, 3166464), (6720, 3131124), (6840, 3076192), (6944, 3030120), (7068, 2976960), (7088, 2968560), (7296, 2883930), (7440, 2828112), (7812, 2693440), (7936, 2651355), (7974, 2638720), (7980, 2636736), (8064, 2609270), (8246, 2551680), (8417, 2499840), (8512, 2471940), (8680, 2424096), (8835, 2381568), (8860, 2374848), (8928, 2356760), (8960, 2348343), (9120, 2307144), (9303, 2261760), (9424, 2232720), (9576, 2197280), (9765, 2154752), (9920, 2121084), (10080, 2087416), (10416, 2020080), (10602, 1984640), (10632, 1979040), (10640, 1977552), (10944, 1922620), (11160, 1885408), (11520, 1826489), (11780, 1786176), (11904, 1767570), (11970, 1757824), (12160, 1730358), (12369, 1701120), (12404, 1696320), (12768, 1647960), (13020, 1616064), (13290, 1583232), (13440, 1565562), (13680, 1538096), (13733, 1532160), (13888, 1515060), (14136, 1488480), (14176, 1484280), (14592, 1441965), (14880, 1414056), (15505, 1357056), (15624, 1346720), (15948, 1319360), (15960, 1318368), (16128, 1304635), (16492, 1275840), (16834, 1249920), (17024, 1235970), (17360, 1212048), (17670, 1190784), (17720, 1187424), (17856, 1178380), (18240, 1153572), (18606, 1130880), (18848, 1116360), (19152, 1098640), (19530, 1077376), (19840, 1060542), (19935, 1055488), (20160, 1043708), (20615, 1020672), (20832, 1010040), (21204, 992320), (21264, 989520), (21280, 988776), (21888, 961310), (22320, 942704), (23560, 893088), (23808, 883785), (23940, 878912), (24320, 865179), (24738, 850560), (24808, 848160), (25251, 833280), (25536, 823980), (26040, 808032), (26505, 793856), (26580, 791616), (26880, 782781), (27360, 769048), (27466, 766080), (27776, 757530), (27909, 753920), (28272, 744240), (28352, 742140), (29760, 707028), (31010, 678528), (31248, 673360), (31896, 659680), (31920, 659184), (32984, 637920), (33668, 624960), (34048, 617985), (34720, 606024), (35340, 595392), (35440, 593712), (35712, 589190), (36480, 576786), (37107, 567040), (37212, 565440), (37696, 558180), (38304, 549320), (39060, 538688), (39680, 530271), (39870, 527744), (40320, 521854), (41199, 510720), (41230, 510336), (41664, 505020), (42085, 499968), (42408, 496160), (42528, 494760), (42560, 494388), (43776, 480655), (44640, 471352), (46515, 452352), (47120, 446544), (47880, 439456), (49476, 425280), (49616, 424080), (50502, 416640), (51072, 411990), (52080, 404016), (53010, 396928), (53160, 395808), (54720, 384524), (54932, 383040), (55552, 378765), (55818, 376960), (56544, 372120), (56704, 371070), (58919, 357120), (59520, 353514), (61845, 340224), (62020, 339264), (62496, 336680), (63792, 329840), (63840, 329592), (65968, 318960), (67336, 312480), (68665, 306432), (69440, 303012), (70680, 297696), (70880, 296856), (71424, 294595), (72960, 288393), (74214, 283520), (74424, 282720), (75392, 279090), (75753, 277760), (76608, 274660), (78120, 269344), (79740, 263872), (80640, 260927), (82398, 255360), (82460, 255168), (83328, 252510), (84170, 249984), (84816, 248080), (85056, 247380), (85120, 247194), (89280, 235676), (93030, 226176), (94240, 223272), (95760, 219728), (96131, 218880), (98952, 212640), (99232, 212040), (101004, 208320), (102144, 205995), (104160, 202008), (106020, 198464), (106320, 197904), (109440, 192262), (109864, 191520), (111636, 188480), (113088, 186060), (113408, 185535), (117838, 178560), (119040, 176757), (123597, 170240), (123690, 170112), (124040, 169632), (124992, 168340), (126255, 166656), (127584, 164920), (127680, 164796), (131936, 159480), (134672, 156240), (137330, 153216), (138880, 151506), (139545, 150784), (141360, 148848), (141760, 148428)]