21280495104

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:562

約数の個数: 480

約数和(自身を含む): 71699696640

約数和(自身を除く): 50419201536

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 31, 32, 33, 36, 44, 48, 58, 62, 64, 66, 72, 87, 88, 93, 96, 99, 116, 124, 128, 132, 144, 174, 176, 186, 192, 198, 232, 248, 256, 261, 264, 279, 288, 319, 341, 348, 352, 372, 384, 396, 464, 467, 496, 512, 522, 528, 558, 576, 638, 682, 696, 704, 744, 768, 792, 899, 928, 934, 957, 992, 1023, 1044, 1056, 1116, 1152, 1276, 1364, 1392, 1401, 1408, 1488, 1536, 1584, 1798, 1856, 1868, 1914, 1984, 2046, 2088, 2112, 2232, 2304, 2552, 2697, 2728, 2784, 2802, 2816, 2871, 2976, 3069, 3168, 3596, 3712, 3736, 3828, 3968, 4092, 4176, 4203, 4224, 4464, 4608, 5104, 5137, 5394, 5456, 5568, 5604, 5632, 5742, 5952, 6138, 6336, 7192, 7424, 7472, 7656, 7936, 8091, 8184, 8352, 8406, 8448, 8928, 9889, 10208, 10274, 10788, 10912, 11136, 11208, 11484, 11904, 12276, 12672, 13543, 14384, 14477, 14848, 14944, 15312, 15411, 15872, 16182, 16368, 16704, 16812, 16896, 17856, 19778, 20416, 20548, 21576, 21824, 22272, 22416, 22968, 23808, 24552, 25344, 27086, 28768, 28954, 29667, 29888, 30624, 30822, 32364, 32736, 33408, 33624, 35712, 39556, 40629, 40832, 41096, 43152, 43431, 43648, 44544, 44832, 45936, 46233, 47616, 49104, 50688, 54172, 57536, 57908, 59334, 59776, 61248, 61644, 64728, 65472, 66816, 67248, 71424, 79112, 81258, 81664, 82192, 86304, 86862, 87296, 89001, 89664, 91872, 92466, 98208, 108344, 115072, 115816, 118668, 119552, 121887, 122496, 123288, 129456, 130293, 130944, 133632, 134496, 142848, 148973, 158224, 159247, 162516, 163328, 164384, 172608, 173724, 174592, 178002, 179328, 183744, 184932, 196416, 216688, 230144, 231632, 237336, 239104, 243774, 244992, 246576, 258912, 260586, 261888, 268992, 297946, 316448, 318494, 325032, 328768, 345216, 347448, 356004, 358656, 367488, 369864, 392832, 419833, 433376, 446919, 460288, 463264, 474672, 477741, 487548, 489984, 493152, 517824, 521172, 523776, 537984, 595892, 632896, 636988, 650064, 657536, 690432, 694896, 712008, 717312, 734976, 739728, 785664, 839666, 866752, 893838, 926528, 949344, 955482, 975096, 986304, 1035648, 1042344, 1075968, 1191784, 1259499, 1265792, 1273976, 1300128, 1315072, 1340757, 1380864, 1389792, 1424016, 1433223, 1469952, 1479456, 1571328, 1679332, 1733504, 1787676, 1853056, 1898688, 1910964, 1950192, 1972608, 2071296, 2084688, 2151936, 2383568, 2518998, 2531584, 2547952, 2600256, 2630144, 2681514, 2779584, 2848032, 2866446, 2958912, 3358664, 3467008, 3575352, 3706112, 3778497, 3797376, 3821928, 3900384, 3945216, 4142592, 4169376, 4618163, 4767136, 5037996, 5063168, 5095904, 5200512, 5363028, 5559168, 5696064, 5732892, 5917824, 6717328, 6934016, 7150704, 7412224, 7556994, 7594752, 7643856, 7800768, 7890432, 8338752, 9236326, 9534272, 10075992, 10191808, 10401024, 10726056, 11118336, 11392128, 11465784, 11835648, 13434656, 13854489, 14301408, 15113988, 15189504, 15287712, 15601536, 16677504, 18472652, 19068544, 20151984, 20383616, 20802048, 21452112, 22236672, 22784256, 22931568, 23671296, 26869312, 27708978, 28602816, 30227976, 30575424, 31203072, 33355008, 36945304, 38137088, 40303968, 40767232, 41563467, 42904224, 45568512, 45863136, 53738624, 55417956, 57205632, 60455952, 61150848, 62406144, 66710016, 73890608, 76274176, 80607936, 81534464, 83126934, 85808448, 91726272, 107477248, 110835912, 114411264, 120911904, 122301696, 147781216, 161215872, 166253868, 171616896, 183452544, 214954496, 221671824, 228822528, 241823808, 244603392, 295562432, 322431744, 332507736, 343233792, 366905088, 443343648, 483647616, 591124864, 644863488, 665015472, 686467584, 733810176, 886687296, 967295232, 1182249728, 1330030944, 1773374592, 1934590464, 2364499456, 2660061888, 3546749184, 5320123776, 7093498368, 10640247552, 21280495104]

約数ペア:

[(1, 21280495104), (2, 10640247552), (3, 7093498368), (4, 5320123776), (6, 3546749184), (8, 2660061888), (9, 2364499456), (11, 1934590464), (12, 1773374592), (16, 1330030944), (18, 1182249728), (22, 967295232), (24, 886687296), (29, 733810176), (31, 686467584), (32, 665015472), (33, 644863488), (36, 591124864), (44, 483647616), (48, 443343648), (58, 366905088), (62, 343233792), (64, 332507736), (66, 322431744), (72, 295562432), (87, 244603392), (88, 241823808), (93, 228822528), (96, 221671824), (99, 214954496), (116, 183452544), (124, 171616896), (128, 166253868), (132, 161215872), (144, 147781216), (174, 122301696), (176, 120911904), (186, 114411264), (192, 110835912), (198, 107477248), (232, 91726272), (248, 85808448), (256, 83126934), (261, 81534464), (264, 80607936), (279, 76274176), (288, 73890608), (319, 66710016), (341, 62406144), (348, 61150848), (352, 60455952), (372, 57205632), (384, 55417956), (396, 53738624), (464, 45863136), (467, 45568512), (496, 42904224), (512, 41563467), (522, 40767232), (528, 40303968), (558, 38137088), (576, 36945304), (638, 33355008), (682, 31203072), (696, 30575424), (704, 30227976), (744, 28602816), (768, 27708978), (792, 26869312), (899, 23671296), (928, 22931568), (934, 22784256), (957, 22236672), (992, 21452112), (1023, 20802048), (1044, 20383616), (1056, 20151984), (1116, 19068544), (1152, 18472652), (1276, 16677504), (1364, 15601536), (1392, 15287712), (1401, 15189504), (1408, 15113988), (1488, 14301408), (1536, 13854489), (1584, 13434656), (1798, 11835648), (1856, 11465784), (1868, 11392128), (1914, 11118336), (1984, 10726056), (2046, 10401024), (2088, 10191808), (2112, 10075992), (2232, 9534272), (2304, 9236326), (2552, 8338752), (2697, 7890432), (2728, 7800768), (2784, 7643856), (2802, 7594752), (2816, 7556994), (2871, 7412224), (2976, 7150704), (3069, 6934016), (3168, 6717328), (3596, 5917824), (3712, 5732892), (3736, 5696064), (3828, 5559168), (3968, 5363028), (4092, 5200512), (4176, 5095904), (4203, 5063168), (4224, 5037996), (4464, 4767136), (4608, 4618163), (5104, 4169376), (5137, 4142592), (5394, 3945216), (5456, 3900384), (5568, 3821928), (5604, 3797376), (5632, 3778497), (5742, 3706112), (5952, 3575352), (6138, 3467008), (6336, 3358664), (7192, 2958912), (7424, 2866446), (7472, 2848032), (7656, 2779584), (7936, 2681514), (8091, 2630144), (8184, 2600256), (8352, 2547952), (8406, 2531584), (8448, 2518998), (8928, 2383568), (9889, 2151936), (10208, 2084688), (10274, 2071296), (10788, 1972608), (10912, 1950192), (11136, 1910964), (11208, 1898688), (11484, 1853056), (11904, 1787676), (12276, 1733504), (12672, 1679332), (13543, 1571328), (14384, 1479456), (14477, 1469952), (14848, 1433223), (14944, 1424016), (15312, 1389792), (15411, 1380864), (15872, 1340757), (16182, 1315072), (16368, 1300128), (16704, 1273976), (16812, 1265792), (16896, 1259499), (17856, 1191784), (19778, 1075968), (20416, 1042344), (20548, 1035648), (21576, 986304), (21824, 975096), (22272, 955482), (22416, 949344), (22968, 926528), (23808, 893838), (24552, 866752), (25344, 839666), (27086, 785664), (28768, 739728), (28954, 734976), (29667, 717312), (29888, 712008), (30624, 694896), (30822, 690432), (32364, 657536), (32736, 650064), (33408, 636988), (33624, 632896), (35712, 595892), (39556, 537984), (40629, 523776), (40832, 521172), (41096, 517824), (43152, 493152), (43431, 489984), (43648, 487548), (44544, 477741), (44832, 474672), (45936, 463264), (46233, 460288), (47616, 446919), (49104, 433376), (50688, 419833), (54172, 392832), (57536, 369864), (57908, 367488), (59334, 358656), (59776, 356004), (61248, 347448), (61644, 345216), (64728, 328768), (65472, 325032), (66816, 318494), (67248, 316448), (71424, 297946), (79112, 268992), (81258, 261888), (81664, 260586), (82192, 258912), (86304, 246576), (86862, 244992), (87296, 243774), (89001, 239104), (89664, 237336), (91872, 231632), (92466, 230144), (98208, 216688), (108344, 196416), (115072, 184932), (115816, 183744), (118668, 179328), (119552, 178002), (121887, 174592), (122496, 173724), (123288, 172608), (129456, 164384), (130293, 163328), (130944, 162516), (133632, 159247), (134496, 158224), (142848, 148973)]