21579264

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 73328640

約数和(自身を除く): 51749376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 223, 224, 252, 256, 288, 336, 378, 384, 432, 446, 448, 504, 512, 576, 669, 672, 756, 768, 864, 892, 896, 1008, 1152, 1338, 1344, 1512, 1536, 1561, 1728, 1784, 1792, 2007, 2016, 2304, 2676, 2688, 3024, 3122, 3456, 3568, 3584, 4014, 4032, 4608, 4683, 5352, 5376, 6021, 6048, 6244, 6912, 7136, 8028, 8064, 9366, 10704, 10752, 12042, 12096, 12488, 13824, 14049, 14272, 16056, 16128, 18732, 21408, 24084, 24192, 24976, 28098, 28544, 32112, 32256, 37464, 42147, 42816, 48168, 48384, 49952, 56196, 57088, 64224, 74928, 84294, 85632, 96336, 96768, 99904, 112392, 114176, 128448, 149856, 168588, 171264, 192672, 199808, 224784, 256896, 299712, 337176, 342528, 385344, 399616, 449568, 513792, 599424, 674352, 770688, 799232, 899136, 1027584, 1198848, 1348704, 1541376, 1798272, 2397696, 2697408, 3082752, 3596544, 5394816, 7193088, 10789632, 21579264]

約数ペア:

[(1, 21579264), (2, 10789632), (3, 7193088), (4, 5394816), (6, 3596544), (7, 3082752), (8, 2697408), (9, 2397696), (12, 1798272), (14, 1541376), (16, 1348704), (18, 1198848), (21, 1027584), (24, 899136), (27, 799232), (28, 770688), (32, 674352), (36, 599424), (42, 513792), (48, 449568), (54, 399616), (56, 385344), (63, 342528), (64, 337176), (72, 299712), (84, 256896), (96, 224784), (108, 199808), (112, 192672), (126, 171264), (128, 168588), (144, 149856), (168, 128448), (189, 114176), (192, 112392), (216, 99904), (223, 96768), (224, 96336), (252, 85632), (256, 84294), (288, 74928), (336, 64224), (378, 57088), (384, 56196), (432, 49952), (446, 48384), (448, 48168), (504, 42816), (512, 42147), (576, 37464), (669, 32256), (672, 32112), (756, 28544), (768, 28098), (864, 24976), (892, 24192), (896, 24084), (1008, 21408), (1152, 18732), (1338, 16128), (1344, 16056), (1512, 14272), (1536, 14049), (1561, 13824), (1728, 12488), (1784, 12096), (1792, 12042), (2007, 10752), (2016, 10704), (2304, 9366), (2676, 8064), (2688, 8028), (3024, 7136), (3122, 6912), (3456, 6244), (3568, 6048), (3584, 6021), (4014, 5376), (4032, 5352), (4608, 4683)]