21449248

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 23136608

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 151, 184, 193, 302, 368, 386, 604, 736, 772, 1208, 1544, 2416, 3088, 3473, 4439, 4832, 6176, 6946, 8878, 13892, 17756, 27784, 29143, 35512, 55568, 58286, 71024, 111136, 116572, 142048, 233144, 466288, 670289, 932576, 1340578, 2681156, 5362312, 10724624, 21449248]

約数ペア:

[(1, 21449248), (2, 10724624), (4, 5362312), (8, 2681156), (16, 1340578), (23, 932576), (32, 670289), (46, 466288), (92, 233144), (151, 142048), (184, 116572), (193, 111136), (302, 71024), (368, 58286), (386, 55568), (604, 35512), (736, 29143), (772, 27784), (1208, 17756), (1544, 13892), (2416, 8878), (3088, 6946), (3473, 6176), (4439, 4832)]