21110144

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 27727456

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 47, 58, 64, 88, 94, 116, 121, 128, 176, 188, 232, 242, 319, 352, 376, 464, 484, 517, 638, 704, 752, 928, 968, 1034, 1276, 1363, 1408, 1504, 1856, 1936, 2068, 2552, 2726, 3008, 3509, 3712, 3872, 4136, 5104, 5452, 5687, 6016, 7018, 7744, 8272, 10208, 10904, 11374, 14036, 14993, 15488, 16544, 20416, 21808, 22748, 28072, 29986, 33088, 40832, 43616, 45496, 56144, 59972, 66176, 87232, 90992, 112288, 119944, 164923, 174464, 181984, 224576, 239888, 329846, 363968, 449152, 479776, 659692, 727936, 959552, 1319384, 1919104, 2638768, 5277536, 10555072, 21110144]

約数ペア:

[(1, 21110144), (2, 10555072), (4, 5277536), (8, 2638768), (11, 1919104), (16, 1319384), (22, 959552), (29, 727936), (32, 659692), (44, 479776), (47, 449152), (58, 363968), (64, 329846), (88, 239888), (94, 224576), (116, 181984), (121, 174464), (128, 164923), (176, 119944), (188, 112288), (232, 90992), (242, 87232), (319, 66176), (352, 59972), (376, 56144), (464, 45496), (484, 43616), (517, 40832), (638, 33088), (704, 29986), (752, 28072), (928, 22748), (968, 21808), (1034, 20416), (1276, 16544), (1363, 15488), (1408, 14993), (1504, 14036), (1856, 11374), (1936, 10904), (2068, 10208), (2552, 8272), (2726, 7744), (3008, 7018), (3509, 6016), (3712, 5687), (3872, 5452), (4136, 5104)]