21539571680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:853

約数の個数: 192

約数和(自身を含む): 56410603200

約数和(自身を除く): 34871031520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 281, 352, 388, 440, 449, 485, 562, 776, 880, 898, 970, 1067, 1124, 1405, 1552, 1760, 1796, 1940, 2134, 2245, 2248, 2810, 3091, 3104, 3592, 3880, 4268, 4490, 4496, 4939, 5335, 5620, 6182, 7184, 7760, 8536, 8980, 8992, 9878, 10670, 11240, 12364, 14368, 15455, 15520, 17072, 17960, 19756, 21340, 22480, 24695, 24728, 27257, 30910, 34144, 35920, 39512, 42680, 43553, 44960, 49390, 49456, 54514, 61820, 71840, 79024, 85360, 87106, 98780, 98912, 109028, 123640, 126169, 136285, 158048, 170720, 174212, 197560, 217765, 218056, 247280, 252338, 272570, 299827, 348424, 395120, 435530, 436112, 479083, 494560, 504676, 545140, 599654, 630845, 696848, 790240, 871060, 872224, 958166, 1009352, 1090280, 1199308, 1261690, 1387859, 1393696, 1499135, 1742120, 1916332, 2018704, 2180560, 2395415, 2398616, 2523380, 2775718, 2998270, 3484240, 3832664, 4037408, 4361120, 4790830, 4797232, 5046760, 5551436, 5996540, 6939295, 6968480, 7665328, 9581660, 9594464, 10093520, 11102872, 11993080, 12238393, 13878590, 15330656, 19163320, 20187040, 22205744, 23986160, 24476786, 27757180, 38326640, 44411488, 47972320, 48953572, 55514360, 61191965, 76653280, 97907144, 111028720, 122383930, 134622323, 195814288, 222057440, 244767860, 269244646, 391628576, 489535720, 538489292, 673111615, 979071440, 1076978584, 1346223230, 1958142880, 2153957168, 2692446460, 4307914336, 5384892920, 10769785840, 21539571680]

約数ペア:

[(1, 21539571680), (2, 10769785840), (4, 5384892920), (5, 4307914336), (8, 2692446460), (10, 2153957168), (11, 1958142880), (16, 1346223230), (20, 1076978584), (22, 979071440), (32, 673111615), (40, 538489292), (44, 489535720), (55, 391628576), (80, 269244646), (88, 244767860), (97, 222057440), (110, 195814288), (160, 134622323), (176, 122383930), (194, 111028720), (220, 97907144), (281, 76653280), (352, 61191965), (388, 55514360), (440, 48953572), (449, 47972320), (485, 44411488), (562, 38326640), (776, 27757180), (880, 24476786), (898, 23986160), (970, 22205744), (1067, 20187040), (1124, 19163320), (1405, 15330656), (1552, 13878590), (1760, 12238393), (1796, 11993080), (1940, 11102872), (2134, 10093520), (2245, 9594464), (2248, 9581660), (2810, 7665328), (3091, 6968480), (3104, 6939295), (3592, 5996540), (3880, 5551436), (4268, 5046760), (4490, 4797232), (4496, 4790830), (4939, 4361120), (5335, 4037408), (5620, 3832664), (6182, 3484240), (7184, 2998270), (7760, 2775718), (8536, 2523380), (8980, 2398616), (8992, 2395415), (9878, 2180560), (10670, 2018704), (11240, 1916332), (12364, 1742120), (14368, 1499135), (15455, 1393696), (15520, 1387859), (17072, 1261690), (17960, 1199308), (19756, 1090280), (21340, 1009352), (22480, 958166), (24695, 872224), (24728, 871060), (27257, 790240), (30910, 696848), (34144, 630845), (35920, 599654), (39512, 545140), (42680, 504676), (43553, 494560), (44960, 479083), (49390, 436112), (49456, 435530), (54514, 395120), (61820, 348424), (71840, 299827), (79024, 272570), (85360, 252338), (87106, 247280), (98780, 218056), (98912, 217765), (109028, 197560), (123640, 174212), (126169, 170720), (136285, 158048)]