21282056208

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{149}}^2\times {\mathrm{317}}^1$

素因数の和:639

約数の個数: 240

約数和(自身を含む): 70507570560

約数和(自身を除く): 49225514352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 149, 168, 189, 216, 252, 298, 317, 336, 378, 432, 447, 504, 596, 634, 756, 894, 951, 1008, 1043, 1192, 1268, 1341, 1512, 1788, 1902, 2086, 2219, 2384, 2536, 2682, 2853, 3024, 3129, 3576, 3804, 4023, 4172, 4438, 5072, 5364, 5706, 6258, 6657, 7152, 7608, 8046, 8344, 8559, 8876, 9387, 10728, 11412, 12516, 13314, 15216, 16092, 16688, 17118, 17752, 18774, 19971, 21456, 22201, 22824, 25032, 26628, 28161, 32184, 34236, 35504, 37548, 39942, 44402, 45648, 47233, 50064, 53256, 56322, 59913, 64368, 66603, 68472, 75096, 79884, 88804, 94466, 106512, 112644, 119826, 133206, 136944, 141699, 150192, 155407, 159768, 177608, 188932, 199809, 225288, 239652, 266412, 283398, 310814, 319536, 330631, 355216, 377864, 399618, 425097, 450576, 466221, 479304, 532824, 566796, 599427, 621628, 661262, 755728, 799236, 850194, 932442, 958608, 991893, 1065648, 1133592, 1198854, 1243256, 1275291, 1322524, 1398663, 1598472, 1700388, 1864884, 1983786, 2267184, 2397708, 2486512, 2550582, 2645048, 2797326, 2975679, 3196944, 3400776, 3729768, 3967572, 4195989, 4795416, 5101164, 5290096, 5594652, 5951358, 6801552, 7037717, 7459536, 7935144, 8391978, 8927037, 9590832, 10202328, 11189304, 11902716, 14075434, 15870288, 16783956, 17854074, 20404656, 21113151, 22378608, 23805432, 28150868, 33567912, 35708148, 42226302, 47610864, 49264019, 56301736, 63339453, 67135824, 71416296, 84452604, 98528038, 112603472, 126678906, 142832592, 147792057, 168905208, 190018359, 197056076, 253357812, 295584114, 337810416, 380036718, 394112152, 443376171, 506715624, 591168228, 760073436, 788224304, 886752342, 1013431248, 1182336456, 1330128513, 1520146872, 1773504684, 2364672912, 2660257026, 3040293744, 3547009368, 5320514052, 7094018736, 10641028104, 21282056208]

約数ペア:

[(1, 21282056208), (2, 10641028104), (3, 7094018736), (4, 5320514052), (6, 3547009368), (7, 3040293744), (8, 2660257026), (9, 2364672912), (12, 1773504684), (14, 1520146872), (16, 1330128513), (18, 1182336456), (21, 1013431248), (24, 886752342), (27, 788224304), (28, 760073436), (36, 591168228), (42, 506715624), (48, 443376171), (54, 394112152), (56, 380036718), (63, 337810416), (72, 295584114), (84, 253357812), (108, 197056076), (112, 190018359), (126, 168905208), (144, 147792057), (149, 142832592), (168, 126678906), (189, 112603472), (216, 98528038), (252, 84452604), (298, 71416296), (317, 67135824), (336, 63339453), (378, 56301736), (432, 49264019), (447, 47610864), (504, 42226302), (596, 35708148), (634, 33567912), (756, 28150868), (894, 23805432), (951, 22378608), (1008, 21113151), (1043, 20404656), (1192, 17854074), (1268, 16783956), (1341, 15870288), (1512, 14075434), (1788, 11902716), (1902, 11189304), (2086, 10202328), (2219, 9590832), (2384, 8927037), (2536, 8391978), (2682, 7935144), (2853, 7459536), (3024, 7037717), (3129, 6801552), (3576, 5951358), (3804, 5594652), (4023, 5290096), (4172, 5101164), (4438, 4795416), (5072, 4195989), (5364, 3967572), (5706, 3729768), (6258, 3400776), (6657, 3196944), (7152, 2975679), (7608, 2797326), (8046, 2645048), (8344, 2550582), (8559, 2486512), (8876, 2397708), (9387, 2267184), (10728, 1983786), (11412, 1864884), (12516, 1700388), (13314, 1598472), (15216, 1398663), (16092, 1322524), (16688, 1275291), (17118, 1243256), (17752, 1198854), (18774, 1133592), (19971, 1065648), (21456, 991893), (22201, 958608), (22824, 932442), (25032, 850194), (26628, 799236), (28161, 755728), (32184, 661262), (34236, 621628), (35504, 599427), (37548, 566796), (39942, 532824), (44402, 479304), (45648, 466221), (47233, 450576), (50064, 425097), (53256, 399618), (56322, 377864), (59913, 355216), (64368, 330631), (66603, 319536), (68472, 310814), (75096, 283398), (79884, 266412), (88804, 239652), (94466, 225288), (106512, 199809), (112644, 188932), (119826, 177608), (133206, 159768), (136944, 155407), (141699, 150192)]