21505236480

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 960

約数和(自身を含む): 94892497920

約数和(自身を除く): 73387261440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 156, 160, 168, 169, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 252, 256, 260, 263, 270, 273, 280, 288, 312, 315, 320, 336, 338, 351, 360, 364, 378, 384, 390, 416, 420, 432, 448, 455, 468, 480, 504, 507, 512, 520, 526, 540, 546, 560, 576, 585, 624, 630, 640, 672, 676, 702, 720, 728, 756, 768, 780, 789, 819, 832, 840, 845, 864, 896, 910, 936, 945, 960, 1008, 1014, 1040, 1052, 1080, 1092, 1120, 1152, 1170, 1183, 1248, 1260, 1280, 1315, 1344, 1352, 1365, 1404, 1440, 1456, 1512, 1521, 1536, 1560, 1578, 1638, 1664, 1680, 1690, 1728, 1755, 1792, 1820, 1841, 1872, 1890, 1920, 2016, 2028, 2080, 2104, 2160, 2184, 2240, 2304, 2340, 2366, 2367, 2457, 2496, 2520, 2535, 2560, 2630, 2688, 2704, 2730, 2808, 2880, 2912, 3024, 3042, 3120, 3156, 3276, 3328, 3360, 3380, 3419, 3456, 3510, 3549, 3584, 3640, 3682, 3744, 3780, 3840, 3945, 4032, 4056, 4095, 4160, 4208, 4320, 4368, 4480, 4563, 4608, 4680, 4732, 4734, 4914, 4992, 5040, 5070, 5260, 5376, 5408, 5460, 5523, 5616, 5760, 5824, 5915, 6048, 6084, 6240, 6312, 6552, 6656, 6720, 6760, 6838, 6912, 7020, 7098, 7101, 7280, 7364, 7488, 7560, 7605, 7680, 7890, 8064, 8112, 8190, 8320, 8416, 8640, 8736, 8960, 9126, 9205, 9360, 9464, 9468, 9828, 9984, 10080, 10140, 10257, 10520, 10647, 10752, 10816, 10920, 11046, 11232, 11520, 11648, 11830, 11835, 12096, 12168, 12285, 12480, 12624, 13104, 13440, 13520, 13676, 13824, 14040, 14196, 14202, 14560, 14728, 14976, 15120, 15210, 15780, 16128, 16224, 16380, 16569, 16640, 16832, 17095, 17280, 17472, 17745, 17920, 18252, 18410, 18720, 18928, 18936, 19656, 19968, 20160, 20280, 20514, 21040, 21294, 21632, 21840, 22092, 22464, 22815, 23040, 23296, 23660, 23670, 23933, 24192, 24336, 24570, 24960, 25248, 26208, 26880, 27040, 27352, 27615, 28080, 28392, 28404, 29120, 29456, 29952, 30240, 30420, 30771, 31560, 31941, 32256, 32448, 32760, 33138, 33280, 33664, 34190, 34560, 34944, 35490, 35505, 36504, 36820, 37440, 37856, 37872, 39312, 40320, 40560, 41028, 42080, 42588, 43264, 43680, 44184, 44447, 44928, 45630, 46592, 47320, 47340, 47866, 48384, 48672, 49140, 49707, 49920, 50496, 51285, 52416, 53235, 53760, 54080, 54704, 55230, 56160, 56784, 56808, 58240, 58912, 59904, 60480, 60840, 61542, 63120, 63882, 64896, 65520, 66276, 67328, 68380, 69120, 69888, 70980, 71010, 71799, 73008, 73640, 74880, 75712, 75744, 78624, 80640, 81120, 82056, 82845, 84160, 85176, 86528, 87360, 88368, 88894, 89856, 91260, 92313, 94640, 94680, 95732, 96768, 97344, 98280, 99414, 99840, 100992, 102570, 104832, 106470, 108160, 109408, 110460, 112320, 113568, 113616, 116480, 117824, 119665, 120960, 121680, 123084, 126240, 127764, 129792, 131040, 132552, 133341, 134656, 136760, 139776, 141960, 142020, 143598, 146016, 147280, 149760, 151424, 151488, 153855, 157248, 159705, 161280, 162240, 164112, 165690, 168320, 170352, 174720, 176736, 177788, 179712, 182520, 184626, 189280, 189360, 191464, 194688, 196560, 198828, 201984, 205140, 209664, 212940, 215397, 216320, 218816, 220920, 222235, 224640, 227136, 227232, 232960, 235648, 239330, 241920, 243360, 246168, 248535, 252480, 255528, 259584, 262080, 265104, 266682, 273520, 283920, 284040, 287196, 292032, 294560, 299520, 302848, 302976, 307710, 311129, 314496, 319410, 324480, 328224, 331380, 336640, 340704, 349440, 353472, 355576, 358995, 365040, 369252, 378560, 378720, 382928, 389376, 393120, 397656, 400023, 403968, 410280, 419328, 425880, 430794, 432640, 437632, 441840, 444470, 449280, 454272, 454464, 461565, 471296, 478660, 483840, 486720, 492336, 497070, 504960, 511056, 524160, 530208, 533364, 547040, 567840, 568080, 574392, 584064, 589120, 605696, 605952, 615420, 622258, 628992, 638820, 646191, 648960, 656448, 662760, 666705, 673280, 681408, 698880, 706944, 711152, 717990, 730080, 738504, 757120, 757440, 765856, 778752, 786240, 795312, 800046, 820560, 851760, 861588, 875264, 883680, 888940, 898560, 908544, 908928, 923130, 933387, 942592, 957320, 973440, 984672, 994140, 1009920, 1022112, 1048320, 1060416, 1066728, 1076985, 1094080, 1135680, 1136160, 1148784, 1168128, 1178240, 1200069, 1211904, 1230840, 1244516, 1257984, 1277640, 1292382, 1297920, 1312896, 1325520, 1333410, 1362816, 1413888, 1422304, 1435980, 1460160, 1477008, 1514240, 1514880, 1531712, 1555645, 1572480, 1590624, 1600092, 1641120, 1703520, 1723176, 1750528, 1767360, 1777880, 1817088, 1817856, 1846260, 1866774, 1914640, 1946880, 1969344, 1988280, 2000115, 2019840, 2044224, 2096640, 2120832, 2133456, 2153970, 2188160, 2271360, 2272320, 2297568, 2336256, 2356480, 2400138, 2461680, 2489032, 2555280, 2584764, 2625792, 2651040, 2666820, 2725632, 2800161, 2827776, 2844608, 2871960, 2920320, 2954016, 3028480, 3029760, 3063424, 3111290, 3144960, 3181248, 3200184, 3230955, 3282240, 3407040, 3446352, 3534720, 3555760, 3635712, 3692520, 3733548, 3829280, 3893760, 3938688, 3976560, 4000230, 4088448, 4241664, 4266912, 4307940, 4376320, 4542720, 4544640, 4595136, 4666935, 4712960, 4800276, 4923360, 4978064, 5110560, 5169528, 5251584, 5302080, 5333640, 5451264, 5600322, 5689216, 5743920, 5840640, 5908032, 6000345, 6059520, 6126848, 6222580, 6289920, 6362496, 6400368, 6461910, 6564480, 6814080, 6892704, 7069440, 7111520, 7385040, 7467096, 7658560, 7877376, 7953120, 8000460, 8176896, 8400483, 8483328, 8533824, 8615880, 8752640, 9085440, 9089280, 9190272, 9333870, 9600552, 9846720, 9956128, 10221120, 10339056, 10604160, 10667280, 11200644, 11378432, 11487840, 11681280, 11816064, 12000690, 12253696, 12445160, 12724992, 12800736, 12923820, 13128960, 13628160, 13785408, 14000805, 14138880, 14223040, 14770080, 14934192, 15317120, 15754752, 15906240, 16000920, 16353792, 16800966, 17067648, 17231760, 18178560, 18380544, 18667740, 19201104, 19693440, 19912256, 20442240, 20678112, 21208320, 21334560, 22401288, 22756864, 22975680, 23632128, 24001380, 24890320, 25449984, 25601472, 25847640, 26257920, 27256320, 27570816, 28001610, 28446080, 29540160, 29868384, 30634240, 31812480, 32001840, 33601932, 34135296, 34463520, 36761088, 37335480, 38402208, 39386880, 39824512, 40884480, 41356224, 42002415, 42416640, 42669120, 44802576, 45951360, 47264256, 48002760, 49780640, 51202944, 51695280, 55141632, 56003220, 56892160, 59080320, 59736768, 61268480, 63624960, 64003680, 67203864, 68270592, 68927040, 74670960, 76804416, 78773760, 79649024, 81768960, 82712448, 84004830, 85338240, 89605152, 91902720, 96005520, 99561280, 102405888, 103390560, 110283264, 112006440, 113784320, 118160640, 119473536, 127249920, 128007360, 134407728, 137854080, 149341920, 153608832, 159298048, 165424896, 168009660, 170676480, 179210304, 183805440, 192011040, 199122560, 204811776, 206781120, 224012880, 236321280, 238947072, 256014720, 268815456, 275708160, 298683840, 307217664, 330849792, 336019320, 341352960, 358420608, 384022080, 398245120, 413562240, 448025760, 477894144, 512029440, 537630912, 551416320, 597367680, 614435328, 672038640, 716841216, 768044160, 796490240, 827124480, 896051520, 1024058880, 1075261824, 1194735360, 1344077280, 1433682432, 1536088320, 1654248960, 1792103040, 2150523648, 2389470720, 2688154560, 3072176640, 3584206080, 4301047296, 5376309120, 7168412160, 10752618240, 21505236480]

約数ペア:

[(1, 21505236480), (2, 10752618240), (3, 7168412160), (4, 5376309120), (5, 4301047296), (6, 3584206080), (7, 3072176640), (8, 2688154560), (9, 2389470720), (10, 2150523648), (12, 1792103040), (13, 1654248960), (14, 1536088320), (15, 1433682432), (16, 1344077280), (18, 1194735360), (20, 1075261824), (21, 1024058880), (24, 896051520), (26, 827124480), (27, 796490240), (28, 768044160), (30, 716841216), (32, 672038640), (35, 614435328), (36, 597367680), (39, 551416320), (40, 537630912), (42, 512029440), (45, 477894144), (48, 448025760), (52, 413562240), (54, 398245120), (56, 384022080), (60, 358420608), (63, 341352960), (64, 336019320), (65, 330849792), (70, 307217664), (72, 298683840), (78, 275708160), (80, 268815456), (84, 256014720), (90, 238947072), (91, 236321280), (96, 224012880), (104, 206781120), (105, 204811776), (108, 199122560), (112, 192011040), (117, 183805440), (120, 179210304), (126, 170676480), (128, 168009660), (130, 165424896), (135, 159298048), (140, 153608832), (144, 149341920), (156, 137854080), (160, 134407728), (168, 128007360), (169, 127249920), (180, 119473536), (182, 118160640), (189, 113784320), (192, 112006440), (195, 110283264), (208, 103390560), (210, 102405888), (216, 99561280), (224, 96005520), (234, 91902720), (240, 89605152), (252, 85338240), (256, 84004830), (260, 82712448), (263, 81768960), (270, 79649024), (273, 78773760), (280, 76804416), (288, 74670960), (312, 68927040), (315, 68270592), (320, 67203864), (336, 64003680), (338, 63624960), (351, 61268480), (360, 59736768), (364, 59080320), (378, 56892160), (384, 56003220), (390, 55141632), (416, 51695280), (420, 51202944), (432, 49780640), (448, 48002760), (455, 47264256), (468, 45951360), (480, 44802576), (504, 42669120), (507, 42416640), (512, 42002415), (520, 41356224), (526, 40884480), (540, 39824512), (546, 39386880), (560, 38402208), (576, 37335480), (585, 36761088), (624, 34463520), (630, 34135296), (640, 33601932), (672, 32001840), (676, 31812480), (702, 30634240), (720, 29868384), (728, 29540160), (756, 28446080), (768, 28001610), (780, 27570816), (789, 27256320), (819, 26257920), (832, 25847640), (840, 25601472), (845, 25449984), (864, 24890320), (896, 24001380), (910, 23632128), (936, 22975680), (945, 22756864), (960, 22401288), (1008, 21334560), (1014, 21208320), (1040, 20678112), (1052, 20442240), (1080, 19912256), (1092, 19693440), (1120, 19201104), (1152, 18667740), (1170, 18380544), (1183, 18178560), (1248, 17231760), (1260, 17067648), (1280, 16800966), (1315, 16353792), (1344, 16000920), (1352, 15906240), (1365, 15754752), (1404, 15317120), (1440, 14934192), (1456, 14770080), (1512, 14223040), (1521, 14138880), (1536, 14000805), (1560, 13785408), (1578, 13628160), (1638, 13128960), (1664, 12923820), (1680, 12800736), (1690, 12724992), (1728, 12445160), (1755, 12253696), (1792, 12000690), (1820, 11816064), (1841, 11681280), (1872, 11487840), (1890, 11378432), (1920, 11200644), (2016, 10667280), (2028, 10604160), (2080, 10339056), (2104, 10221120), (2160, 9956128), (2184, 9846720), (2240, 9600552), (2304, 9333870), (2340, 9190272), (2366, 9089280), (2367, 9085440), (2457, 8752640), (2496, 8615880), (2520, 8533824), (2535, 8483328), (2560, 8400483), (2630, 8176896), (2688, 8000460), (2704, 7953120), (2730, 7877376), (2808, 7658560), (2880, 7467096), (2912, 7385040), (3024, 7111520), (3042, 7069440), (3120, 6892704), (3156, 6814080), (3276, 6564480), (3328, 6461910), (3360, 6400368), (3380, 6362496), (3419, 6289920), (3456, 6222580), (3510, 6126848), (3549, 6059520), (3584, 6000345), (3640, 5908032), (3682, 5840640), (3744, 5743920), (3780, 5689216), (3840, 5600322), (3945, 5451264), (4032, 5333640), (4056, 5302080), (4095, 5251584), (4160, 5169528), (4208, 5110560), (4320, 4978064), (4368, 4923360), (4480, 4800276), (4563, 4712960), (4608, 4666935), (4680, 4595136), (4732, 4544640), (4734, 4542720), (4914, 4376320), (4992, 4307940), (5040, 4266912), (5070, 4241664), (5260, 4088448), (5376, 4000230), (5408, 3976560), (5460, 3938688), (5523, 3893760), (5616, 3829280), (5760, 3733548), (5824, 3692520), (5915, 3635712), (6048, 3555760), (6084, 3534720), (6240, 3446352), (6312, 3407040), (6552, 3282240), (6656, 3230955), (6720, 3200184), (6760, 3181248), (6838, 3144960), (6912, 3111290), (7020, 3063424), (7098, 3029760), (7101, 3028480), (7280, 2954016), (7364, 2920320), (7488, 2871960), (7560, 2844608), (7605, 2827776), (7680, 2800161), (7890, 2725632), (8064, 2666820), (8112, 2651040), (8190, 2625792), (8320, 2584764), (8416, 2555280), (8640, 2489032), (8736, 2461680), (8960, 2400138), (9126, 2356480), (9205, 2336256), (9360, 2297568), (9464, 2272320), (9468, 2271360), (9828, 2188160), (9984, 2153970), (10080, 2133456), (10140, 2120832), (10257, 2096640), (10520, 2044224), (10647, 2019840), (10752, 2000115), (10816, 1988280), (10920, 1969344), (11046, 1946880), (11232, 1914640), (11520, 1866774), (11648, 1846260), (11830, 1817856), (11835, 1817088), (12096, 1777880), (12168, 1767360), (12285, 1750528), (12480, 1723176), (12624, 1703520), (13104, 1641120), (13440, 1600092), (13520, 1590624), (13676, 1572480), (13824, 1555645), (14040, 1531712), (14196, 1514880), (14202, 1514240), (14560, 1477008), (14728, 1460160), (14976, 1435980), (15120, 1422304), (15210, 1413888), (15780, 1362816), (16128, 1333410), (16224, 1325520), (16380, 1312896), (16569, 1297920), (16640, 1292382), (16832, 1277640), (17095, 1257984), (17280, 1244516), (17472, 1230840), (17745, 1211904), (17920, 1200069), (18252, 1178240), (18410, 1168128), (18720, 1148784), (18928, 1136160), (18936, 1135680), (19656, 1094080), (19968, 1076985), (20160, 1066728), (20280, 1060416), (20514, 1048320), (21040, 1022112), (21294, 1009920), (21632, 994140), (21840, 984672), (22092, 973440), (22464, 957320), (22815, 942592), (23040, 933387), (23296, 923130), (23660, 908928), (23670, 908544), (23933, 898560), (24192, 888940), (24336, 883680), (24570, 875264), (24960, 861588), (25248, 851760), (26208, 820560), (26880, 800046), (27040, 795312), (27352, 786240), (27615, 778752), (28080, 765856), (28392, 757440), (28404, 757120), (29120, 738504), (29456, 730080), (29952, 717990), (30240, 711152), (30420, 706944), (30771, 698880), (31560, 681408), (31941, 673280), (32256, 666705), (32448, 662760), (32760, 656448), (33138, 648960), (33280, 646191), (33664, 638820), (34190, 628992), (34560, 622258), (34944, 615420), (35490, 605952), (35505, 605696), (36504, 589120), (36820, 584064), (37440, 574392), (37856, 568080), (37872, 567840), (39312, 547040), (40320, 533364), (40560, 530208), (41028, 524160), (42080, 511056), (42588, 504960), (43264, 497070), (43680, 492336), (44184, 486720), (44447, 483840), (44928, 478660), (45630, 471296), (46592, 461565), (47320, 454464), (47340, 454272), (47866, 449280), (48384, 444470), (48672, 441840), (49140, 437632), (49707, 432640), (49920, 430794), (50496, 425880), (51285, 419328), (52416, 410280), (53235, 403968), (53760, 400023), (54080, 397656), (54704, 393120), (55230, 389376), (56160, 382928), (56784, 378720), (56808, 378560), (58240, 369252), (58912, 365040), (59904, 358995), (60480, 355576), (60840, 353472), (61542, 349440), (63120, 340704), (63882, 336640), (64896, 331380), (65520, 328224), (66276, 324480), (67328, 319410), (68380, 314496), (69120, 311129), (69888, 307710), (70980, 302976), (71010, 302848), (71799, 299520), (73008, 294560), (73640, 292032), (74880, 287196), (75712, 284040), (75744, 283920), (78624, 273520), (80640, 266682), (81120, 265104), (82056, 262080), (82845, 259584), (84160, 255528), (85176, 252480), (86528, 248535), (87360, 246168), (88368, 243360), (88894, 241920), (89856, 239330), (91260, 235648), (92313, 232960), (94640, 227232), (94680, 227136), (95732, 224640), (96768, 222235), (97344, 220920), (98280, 218816), (99414, 216320), (99840, 215397), (100992, 212940), (102570, 209664), (104832, 205140), (106470, 201984), (108160, 198828), (109408, 196560), (110460, 194688), (112320, 191464), (113568, 189360), (113616, 189280), (116480, 184626), (117824, 182520), (119665, 179712), (120960, 177788), (121680, 176736), (123084, 174720), (126240, 170352), (127764, 168320), (129792, 165690), (131040, 164112), (132552, 162240), (133341, 161280), (134656, 159705), (136760, 157248), (139776, 153855), (141960, 151488), (142020, 151424), (143598, 149760), (146016, 147280)]