21720458760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 1024

約数和(自身を含む): 95374540800

約数和(自身を除く): 73654082040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 19, 20, 21, 22, 24, 26, 28, 30, 31, 33, 35, 38, 39, 40, 42, 44, 52, 55, 56, 57, 60, 62, 65, 66, 70, 76, 77, 78, 84, 88, 91, 93, 95, 104, 105, 110, 114, 120, 124, 130, 132, 133, 140, 143, 152, 154, 155, 156, 165, 168, 182, 186, 190, 195, 209, 210, 217, 220, 228, 231, 247, 248, 260, 264, 266, 273, 280, 285, 286, 307, 308, 310, 312, 330, 341, 364, 372, 380, 385, 390, 399, 403, 418, 420, 429, 434, 440, 455, 456, 462, 465, 494, 520, 532, 546, 570, 572, 589, 614, 616, 620, 627, 651, 660, 665, 682, 715, 728, 741, 744, 760, 770, 780, 798, 806, 836, 840, 858, 868, 910, 921, 924, 930, 988, 1001, 1023, 1045, 1064, 1085, 1092, 1140, 1144, 1155, 1178, 1209, 1228, 1235, 1240, 1254, 1302, 1320, 1330, 1364, 1365, 1430, 1463, 1482, 1535, 1540, 1560, 1596, 1612, 1672, 1705, 1716, 1729, 1736, 1767, 1820, 1842, 1848, 1860, 1976, 1995, 2002, 2015, 2046, 2090, 2145, 2149, 2170, 2184, 2280, 2310, 2356, 2387, 2418, 2456, 2470, 2508, 2604, 2660, 2717, 2728, 2730, 2821, 2860, 2926, 2945, 2964, 3003, 3070, 3080, 3135, 3192, 3224, 3255, 3377, 3410, 3432, 3458, 3534, 3640, 3684, 3705, 3720, 3990, 3991, 4004, 4030, 4092, 4123, 4180, 4290, 4298, 4340, 4389, 4433, 4605, 4620, 4712, 4774, 4836, 4940, 5005, 5016, 5115, 5187, 5208, 5320, 5434, 5460, 5642, 5720, 5833, 5852, 5890, 5928, 6006, 6045, 6140, 6270, 6447, 6479, 6510, 6754, 6820, 6916, 7068, 7161, 7315, 7368, 7410, 7657, 7980, 7982, 8008, 8060, 8151, 8184, 8246, 8360, 8463, 8580, 8596, 8645, 8680, 8778, 8835, 8866, 9210, 9240, 9517, 9548, 9672, 9880, 10010, 10131, 10230, 10374, 10745, 10868, 10920, 11284, 11666, 11704, 11780, 11935, 11973, 12012, 12090, 12280, 12369, 12540, 12894, 12958, 13020, 13299, 13508, 13585, 13640, 13832, 14105, 14136, 14322, 14630, 14820, 15015, 15314, 15960, 15964, 16120, 16302, 16492, 16885, 16926, 17160, 17192, 17290, 17499, 17556, 17670, 17732, 18420, 19019, 19034, 19096, 19437, 19955, 20020, 20262, 20460, 20615, 20748, 21490, 21736, 21945, 22165, 22568, 22971, 23332, 23560, 23639, 23870, 23946, 24024, 24180, 24738, 25080, 25788, 25916, 25935, 26040, 26598, 27016, 27170, 27937, 28210, 28551, 28644, 29165, 29260, 29640, 30030, 30628, 31031, 31928, 32235, 32395, 32604, 32984, 33770, 33852, 34580, 34998, 35112, 35340, 35464, 35805, 36840, 38038, 38068, 38285, 38874, 39910, 40040, 40524, 40755, 40831, 40920, 41230, 41496, 42315, 42980, 43890, 43901, 44330, 45353, 45942, 46664, 47278, 47585, 47740, 47892, 48360, 49476, 50655, 51576, 51832, 51870, 53196, 53599, 54340, 55874, 56420, 57057, 57102, 57288, 58330, 58520, 59865, 60060, 61256, 61845, 62062, 64163, 64470, 64790, 65208, 66495, 66619, 67540, 67704, 69160, 69996, 70680, 70917, 71610, 75829, 76076, 76136, 76570, 77748, 79820, 81048, 81510, 81662, 82460, 83811, 84227, 84630, 85960, 87495, 87780, 87802, 88660, 90706, 91884, 93093, 94556, 95095, 95170, 95480, 95784, 97185, 98952, 101310, 103740, 104687, 106392, 107198, 108680, 111748, 112840, 114114, 114204, 114855, 116660, 118195, 119730, 120120, 122493, 123690, 123721, 124124, 128326, 128940, 129580, 131703, 132990, 133238, 135080, 136059, 139685, 139992, 141834, 142755, 143220, 151658, 152152, 153140, 155155, 155496, 159640, 160797, 163020, 163324, 164920, 167622, 168454, 169260, 174990, 175560, 175604, 177320, 180823, 181412, 183768, 186186, 189112, 190190, 190340, 192489, 194370, 199857, 202620, 204155, 207480, 209374, 214396, 219505, 223496, 226765, 227487, 228228, 228408, 229710, 233320, 236390, 239460, 244986, 247380, 247442, 248248, 252681, 256652, 257880, 259160, 263406, 265980, 266476, 267995, 272118, 279370, 283668, 285285, 285510, 286440, 303316, 306280, 307307, 310310, 314061, 320815, 321594, 326040, 326648, 333095, 335244, 336908, 338520, 349980, 351208, 354585, 361646, 362824, 371163, 372372, 379145, 380380, 380680, 384978, 388740, 399714, 405240, 408310, 418748, 419055, 421135, 428792, 439010, 449141, 453530, 454974, 456456, 459420, 465465, 472780, 478920, 489972, 494760, 494884, 505362, 513304, 523435, 526812, 530803, 531960, 532952, 535990, 542469, 544236, 558740, 567336, 570570, 571020, 589589, 606632, 612465, 614614, 618605, 620620, 628122, 641630, 643188, 658515, 666190, 670488, 673816, 680295, 699960, 709170, 723292, 732809, 742326, 744744, 758290, 760760, 769956, 777480, 799428, 803985, 816620, 834119, 837496, 838110, 842270, 866047, 878020, 898282, 904115, 907060, 909948, 918840, 921921, 930930, 945560, 962445, 979944, 989768, 999285, 1010724, 1046870, 1053624, 1061606, 1071980, 1084938, 1088472, 1117480, 1137435, 1141140, 1142040, 1179178, 1224930, 1229228, 1237210, 1241240, 1256244, 1263405, 1265761, 1283260, 1286376, 1317030, 1332380, 1347423, 1360590, 1360931, 1418340, 1446584, 1465618, 1484652, 1516580, 1536535, 1539912, 1570305, 1592409, 1598856, 1607970, 1633240, 1668238, 1676220, 1684540, 1732094, 1756040, 1768767, 1796564, 1808230, 1814120, 1819896, 1843842, 1855815, 1861860, 1924890, 1989053, 1998570, 2021448, 2093740, 2123212, 2143960, 2169876, 2198427, 2245705, 2274870, 2282280, 2350699, 2358356, 2449860, 2458456, 2474420, 2502357, 2512488, 2526810, 2531522, 2566520, 2598141, 2634060, 2654015, 2664760, 2694846, 2712345, 2721180, 2721862, 2836680, 2931236, 2947945, 2969304, 3033160, 3073070, 3140610, 3184818, 3215940, 3336476, 3352440, 3369080, 3464188, 3537534, 3593128, 3616460, 3664045, 3687684, 3711630, 3723720, 3797283, 3849780, 3978106, 3997140, 4082793, 4170595, 4187480, 4246424, 4330235, 4339752, 4396854, 4491410, 4549740, 4609605, 4701398, 4716712, 4899720, 4948840, 5004714, 5053620, 5063044, 5196282, 5268120, 5308030, 5389692, 5424690, 5442360, 5443724, 5838833, 5862472, 5895890, 5967159, 6146140, 6281220, 6328805, 6369636, 6431880, 6672952, 6737115, 6804655, 6928376, 7052097, 7075068, 7232920, 7328090, 7375368, 7423260, 7594566, 7699560, 7956212, 7962045, 7994280, 8165586, 8341190, 8660470, 8793708, 8843835, 8982820, 9099480, 9219210, 9402796, 9526517, 9945265, 10009428, 10107240, 10126088, 10392564, 10616060, 10779384, 10849380, 10887448, 10992135, 11677666, 11753495, 11791780, 11934318, 12292280, 12511785, 12562440, 12657610, 12739272, 12990705, 13474230, 13609310, 13923371, 14104194, 14150136, 14656180, 14846520, 15189132, 15912424, 15924090, 16331172, 16454893, 16682380, 17320940, 17516499, 17587416, 17687670, 17965640, 18438420, 18805592, 18986415, 19053034, 19890530, 20018856, 20413965, 20785128, 21232120, 21698760, 21984270, 23355332, 23506990, 23583560, 23868636, 25023570, 25315220, 25857689, 25981410, 26948460, 27218620, 27846742, 28208388, 28579551, 29194165, 29312360, 29835795, 30378264, 31848180, 32662344, 32909786, 33364760, 34641880, 35032998, 35260485, 35375340, 36876840, 37972830, 38106068, 39781060, 40827930, 41770113, 43968540, 46710664, 47013980, 47632585, 47737272, 49364679, 50047140, 50630440, 51715378, 51962820, 53896920, 54437240, 55693484, 56416776, 57159102, 58388330, 59671590, 63696360, 65819572, 69616855, 70065996, 70520970, 70750680, 75945660, 76212136, 77573067, 79562120, 81655860, 82274465, 83540226, 87582495, 87937080, 94027960, 95265170, 98729358, 100094280, 103430756, 103925640, 111386968, 114318204, 116776660, 119343180, 129288445, 131639144, 139233710, 140131992, 141041940, 142897755, 151891320, 155146134, 163311720, 164548930, 167080452, 175164990, 181003823, 190530340, 197458716, 206861512, 208850565, 228636408, 233553320, 238686360, 246823395, 258576890, 278467420, 282083880, 285795510, 310292268, 329097860, 334160904, 350329980, 362007646, 381060680, 387865335, 394917432, 417701130, 493646790, 517153780, 543011469, 556934840, 571591020, 620584536, 658195720, 700659960, 724015292, 775730670, 835402260, 905019115, 987293580, 1034307560, 1086022938, 1143182040, 1448030584, 1551461340, 1670804520, 1810038230, 1974587160, 2172045876, 2715057345, 3102922680, 3620076460, 4344091752, 5430114690, 7240152920, 10860229380, 21720458760]

約数ペア:

[(1, 21720458760), (2, 10860229380), (3, 7240152920), (4, 5430114690), (5, 4344091752), (6, 3620076460), (7, 3102922680), (8, 2715057345), (10, 2172045876), (11, 1974587160), (12, 1810038230), (13, 1670804520), (14, 1551461340), (15, 1448030584), (19, 1143182040), (20, 1086022938), (21, 1034307560), (22, 987293580), (24, 905019115), (26, 835402260), (28, 775730670), (30, 724015292), (31, 700659960), (33, 658195720), (35, 620584536), (38, 571591020), (39, 556934840), (40, 543011469), (42, 517153780), (44, 493646790), (52, 417701130), (55, 394917432), (56, 387865335), (57, 381060680), (60, 362007646), (62, 350329980), (65, 334160904), (66, 329097860), (70, 310292268), (76, 285795510), (77, 282083880), (78, 278467420), (84, 258576890), (88, 246823395), (91, 238686360), (93, 233553320), (95, 228636408), (104, 208850565), (105, 206861512), (110, 197458716), (114, 190530340), (120, 181003823), (124, 175164990), (130, 167080452), (132, 164548930), (133, 163311720), (140, 155146134), (143, 151891320), (152, 142897755), (154, 141041940), (155, 140131992), (156, 139233710), (165, 131639144), (168, 129288445), (182, 119343180), (186, 116776660), (190, 114318204), (195, 111386968), (209, 103925640), (210, 103430756), (217, 100094280), (220, 98729358), (228, 95265170), (231, 94027960), (247, 87937080), (248, 87582495), (260, 83540226), (264, 82274465), (266, 81655860), (273, 79562120), (280, 77573067), (285, 76212136), (286, 75945660), (307, 70750680), (308, 70520970), (310, 70065996), (312, 69616855), (330, 65819572), (341, 63696360), (364, 59671590), (372, 58388330), (380, 57159102), (385, 56416776), (390, 55693484), (399, 54437240), (403, 53896920), (418, 51962820), (420, 51715378), (429, 50630440), (434, 50047140), (440, 49364679), (455, 47737272), (456, 47632585), (462, 47013980), (465, 46710664), (494, 43968540), (520, 41770113), (532, 40827930), (546, 39781060), (570, 38106068), (572, 37972830), (589, 36876840), (614, 35375340), (616, 35260485), (620, 35032998), (627, 34641880), (651, 33364760), (660, 32909786), (665, 32662344), (682, 31848180), (715, 30378264), (728, 29835795), (741, 29312360), (744, 29194165), (760, 28579551), (770, 28208388), (780, 27846742), (798, 27218620), (806, 26948460), (836, 25981410), (840, 25857689), (858, 25315220), (868, 25023570), (910, 23868636), (921, 23583560), (924, 23506990), (930, 23355332), (988, 21984270), (1001, 21698760), (1023, 21232120), (1045, 20785128), (1064, 20413965), (1085, 20018856), (1092, 19890530), (1140, 19053034), (1144, 18986415), (1155, 18805592), (1178, 18438420), (1209, 17965640), (1228, 17687670), (1235, 17587416), (1240, 17516499), (1254, 17320940), (1302, 16682380), (1320, 16454893), (1330, 16331172), (1364, 15924090), (1365, 15912424), (1430, 15189132), (1463, 14846520), (1482, 14656180), (1535, 14150136), (1540, 14104194), (1560, 13923371), (1596, 13609310), (1612, 13474230), (1672, 12990705), (1705, 12739272), (1716, 12657610), (1729, 12562440), (1736, 12511785), (1767, 12292280), (1820, 11934318), (1842, 11791780), (1848, 11753495), (1860, 11677666), (1976, 10992135), (1995, 10887448), (2002, 10849380), (2015, 10779384), (2046, 10616060), (2090, 10392564), (2145, 10126088), (2149, 10107240), (2170, 10009428), (2184, 9945265), (2280, 9526517), (2310, 9402796), (2356, 9219210), (2387, 9099480), (2418, 8982820), (2456, 8843835), (2470, 8793708), (2508, 8660470), (2604, 8341190), (2660, 8165586), (2717, 7994280), (2728, 7962045), (2730, 7956212), (2821, 7699560), (2860, 7594566), (2926, 7423260), (2945, 7375368), (2964, 7328090), (3003, 7232920), (3070, 7075068), (3080, 7052097), (3135, 6928376), (3192, 6804655), (3224, 6737115), (3255, 6672952), (3377, 6431880), (3410, 6369636), (3432, 6328805), (3458, 6281220), (3534, 6146140), (3640, 5967159), (3684, 5895890), (3705, 5862472), (3720, 5838833), (3990, 5443724), (3991, 5442360), (4004, 5424690), (4030, 5389692), (4092, 5308030), (4123, 5268120), (4180, 5196282), (4290, 5063044), (4298, 5053620), (4340, 5004714), (4389, 4948840), (4433, 4899720), (4605, 4716712), (4620, 4701398), (4712, 4609605), (4774, 4549740), (4836, 4491410), (4940, 4396854), (5005, 4339752), (5016, 4330235), (5115, 4246424), (5187, 4187480), (5208, 4170595), (5320, 4082793), (5434, 3997140), (5460, 3978106), (5642, 3849780), (5720, 3797283), (5833, 3723720), (5852, 3711630), (5890, 3687684), (5928, 3664045), (6006, 3616460), (6045, 3593128), (6140, 3537534), (6270, 3464188), (6447, 3369080), (6479, 3352440), (6510, 3336476), (6754, 3215940), (6820, 3184818), (6916, 3140610), (7068, 3073070), (7161, 3033160), (7315, 2969304), (7368, 2947945), (7410, 2931236), (7657, 2836680), (7980, 2721862), (7982, 2721180), (8008, 2712345), (8060, 2694846), (8151, 2664760), (8184, 2654015), (8246, 2634060), (8360, 2598141), (8463, 2566520), (8580, 2531522), (8596, 2526810), (8645, 2512488), (8680, 2502357), (8778, 2474420), (8835, 2458456), (8866, 2449860), (9210, 2358356), (9240, 2350699), (9517, 2282280), (9548, 2274870), (9672, 2245705), (9880, 2198427), (10010, 2169876), (10131, 2143960), (10230, 2123212), (10374, 2093740), (10745, 2021448), (10868, 1998570), (10920, 1989053), (11284, 1924890), (11666, 1861860), (11704, 1855815), (11780, 1843842), (11935, 1819896), (11973, 1814120), (12012, 1808230), (12090, 1796564), (12280, 1768767), (12369, 1756040), (12540, 1732094), (12894, 1684540), (12958, 1676220), (13020, 1668238), (13299, 1633240), (13508, 1607970), (13585, 1598856), (13640, 1592409), (13832, 1570305), (14105, 1539912), (14136, 1536535), (14322, 1516580), (14630, 1484652), (14820, 1465618), (15015, 1446584), (15314, 1418340), (15960, 1360931), (15964, 1360590), (16120, 1347423), (16302, 1332380), (16492, 1317030), (16885, 1286376), (16926, 1283260), (17160, 1265761), (17192, 1263405), (17290, 1256244), (17499, 1241240), (17556, 1237210), (17670, 1229228), (17732, 1224930), (18420, 1179178), (19019, 1142040), (19034, 1141140), (19096, 1137435), (19437, 1117480), (19955, 1088472), (20020, 1084938), (20262, 1071980), (20460, 1061606), (20615, 1053624), (20748, 1046870), (21490, 1010724), (21736, 999285), (21945, 989768), (22165, 979944), (22568, 962445), (22971, 945560), (23332, 930930), (23560, 921921), (23639, 918840), (23870, 909948), (23946, 907060), (24024, 904115), (24180, 898282), (24738, 878020), (25080, 866047), (25788, 842270), (25916, 838110), (25935, 837496), (26040, 834119), (26598, 816620), (27016, 803985), (27170, 799428), (27937, 777480), (28210, 769956), (28551, 760760), (28644, 758290), (29165, 744744), (29260, 742326), (29640, 732809), (30030, 723292), (30628, 709170), (31031, 699960), (31928, 680295), (32235, 673816), (32395, 670488), (32604, 666190), (32984, 658515), (33770, 643188), (33852, 641630), (34580, 628122), (34998, 620620), (35112, 618605), (35340, 614614), (35464, 612465), (35805, 606632), (36840, 589589), (38038, 571020), (38068, 570570), (38285, 567336), (38874, 558740), (39910, 544236), (40040, 542469), (40524, 535990), (40755, 532952), (40831, 531960), (40920, 530803), (41230, 526812), (41496, 523435), (42315, 513304), (42980, 505362), (43890, 494884), (43901, 494760), (44330, 489972), (45353, 478920), (45942, 472780), (46664, 465465), (47278, 459420), (47585, 456456), (47740, 454974), (47892, 453530), (48360, 449141), (49476, 439010), (50655, 428792), (51576, 421135), (51832, 419055), (51870, 418748), (53196, 408310), (53599, 405240), (54340, 399714), (55874, 388740), (56420, 384978), (57057, 380680), (57102, 380380), (57288, 379145), (58330, 372372), (58520, 371163), (59865, 362824), (60060, 361646), (61256, 354585), (61845, 351208), (62062, 349980), (64163, 338520), (64470, 336908), (64790, 335244), (65208, 333095), (66495, 326648), (66619, 326040), (67540, 321594), (67704, 320815), (69160, 314061), (69996, 310310), (70680, 307307), (70917, 306280), (71610, 303316), (75829, 286440), (76076, 285510), (76136, 285285), (76570, 283668), (77748, 279370), (79820, 272118), (81048, 267995), (81510, 266476), (81662, 265980), (82460, 263406), (83811, 259160), (84227, 257880), (84630, 256652), (85960, 252681), (87495, 248248), (87780, 247442), (87802, 247380), (88660, 244986), (90706, 239460), (91884, 236390), (93093, 233320), (94556, 229710), (95095, 228408), (95170, 228228), (95480, 227487), (95784, 226765), (97185, 223496), (98952, 219505), (101310, 214396), (103740, 209374), (104687, 207480), (106392, 204155), (107198, 202620), (108680, 199857), (111748, 194370), (112840, 192489), (114114, 190340), (114204, 190190), (114855, 189112), (116660, 186186), (118195, 183768), (119730, 181412), (120120, 180823), (122493, 177320), (123690, 175604), (123721, 175560), (124124, 174990), (128326, 169260), (128940, 168454), (129580, 167622), (131703, 164920), (132990, 163324), (133238, 163020), (135080, 160797), (136059, 159640), (139685, 155496), (139992, 155155), (141834, 153140), (142755, 152152), (143220, 151658)]