21979021824

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:919

約数の個数: 240

約数和(自身を含む): 65847285504

約数和(自身を除く): 43868263680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 251, 256, 279, 288, 372, 384, 496, 502, 512, 558, 576, 613, 744, 753, 768, 992, 1004, 1116, 1152, 1226, 1488, 1506, 1536, 1839, 1984, 2008, 2232, 2259, 2304, 2452, 2976, 3012, 3678, 3968, 4016, 4464, 4518, 4608, 4904, 5517, 5952, 6024, 7356, 7781, 7936, 8032, 8928, 9036, 9808, 11034, 11904, 12048, 14712, 15562, 15872, 16064, 17856, 18072, 19003, 19616, 22068, 23343, 23808, 24096, 29424, 31124, 32128, 35712, 36144, 38006, 39232, 44136, 46686, 47616, 48192, 57009, 58848, 62248, 64256, 70029, 71424, 72288, 76012, 78464, 88272, 93372, 96384, 114018, 117696, 124496, 128512, 140058, 142848, 144576, 152024, 153863, 156928, 171027, 176544, 186744, 192768, 228036, 235392, 248992, 280116, 289152, 304048, 307726, 313856, 342054, 353088, 373488, 385536, 456072, 461589, 470784, 497984, 560232, 578304, 608096, 615452, 684108, 706176, 746976, 912144, 923178, 941568, 995968, 1120464, 1156608, 1216192, 1230904, 1368216, 1384767, 1412352, 1493952, 1824288, 1846356, 1991936, 2240928, 2432384, 2461808, 2736432, 2769534, 2824704, 2987904, 3648576, 3692712, 3983872, 4481856, 4769753, 4864768, 4923616, 5472864, 5539068, 5975808, 7297152, 7385424, 8963712, 9539506, 9729536, 9847232, 10945728, 11078136, 11951616, 14309259, 14594304, 14770848, 17927424, 19079012, 19694464, 21891456, 22156272, 28618518, 29188608, 29541696, 35854848, 38158024, 39388928, 42927777, 43782912, 44312544, 57237036, 59083392, 76316048, 78777856, 85855554, 87565824, 88625088, 114474072, 118166784, 152632096, 171711108, 177250176, 228948144, 236333568, 305264192, 343422216, 354500352, 457896288, 610528384, 686844432, 709000704, 915792576, 1221056768, 1373688864, 1831585152, 2442113536, 2747377728, 3663170304, 5494755456, 7326340608, 10989510912, 21979021824]

約数ペア:

[(1, 21979021824), (2, 10989510912), (3, 7326340608), (4, 5494755456), (6, 3663170304), (8, 2747377728), (9, 2442113536), (12, 1831585152), (16, 1373688864), (18, 1221056768), (24, 915792576), (31, 709000704), (32, 686844432), (36, 610528384), (48, 457896288), (62, 354500352), (64, 343422216), (72, 305264192), (93, 236333568), (96, 228948144), (124, 177250176), (128, 171711108), (144, 152632096), (186, 118166784), (192, 114474072), (248, 88625088), (251, 87565824), (256, 85855554), (279, 78777856), (288, 76316048), (372, 59083392), (384, 57237036), (496, 44312544), (502, 43782912), (512, 42927777), (558, 39388928), (576, 38158024), (613, 35854848), (744, 29541696), (753, 29188608), (768, 28618518), (992, 22156272), (1004, 21891456), (1116, 19694464), (1152, 19079012), (1226, 17927424), (1488, 14770848), (1506, 14594304), (1536, 14309259), (1839, 11951616), (1984, 11078136), (2008, 10945728), (2232, 9847232), (2259, 9729536), (2304, 9539506), (2452, 8963712), (2976, 7385424), (3012, 7297152), (3678, 5975808), (3968, 5539068), (4016, 5472864), (4464, 4923616), (4518, 4864768), (4608, 4769753), (4904, 4481856), (5517, 3983872), (5952, 3692712), (6024, 3648576), (7356, 2987904), (7781, 2824704), (7936, 2769534), (8032, 2736432), (8928, 2461808), (9036, 2432384), (9808, 2240928), (11034, 1991936), (11904, 1846356), (12048, 1824288), (14712, 1493952), (15562, 1412352), (15872, 1384767), (16064, 1368216), (17856, 1230904), (18072, 1216192), (19003, 1156608), (19616, 1120464), (22068, 995968), (23343, 941568), (23808, 923178), (24096, 912144), (29424, 746976), (31124, 706176), (32128, 684108), (35712, 615452), (36144, 608096), (38006, 578304), (39232, 560232), (44136, 497984), (46686, 470784), (47616, 461589), (48192, 456072), (57009, 385536), (58848, 373488), (62248, 353088), (64256, 342054), (70029, 313856), (71424, 307726), (72288, 304048), (76012, 289152), (78464, 280116), (88272, 248992), (93372, 235392), (96384, 228036), (114018, 192768), (117696, 186744), (124496, 176544), (128512, 171027), (140058, 156928), (142848, 153863), (144576, 152024)]