21810992

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8467}}^1$

素因数の和:8505

約数の個数: 40

約数和(自身を含む): 50401536

約数和(自身を除く): 28590544

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8467, 16934, 33868, 59269, 67736, 118538, 135472, 194741, 237076, 389482, 474152, 778964, 948304, 1363187, 1557928, 2726374, 3115856, 5452748, 10905496, 21810992]

約数ペア:

[(1, 21810992), (2, 10905496), (4, 5452748), (7, 3115856), (8, 2726374), (14, 1557928), (16, 1363187), (23, 948304), (28, 778964), (46, 474152), (56, 389482), (92, 237076), (112, 194741), (161, 135472), (184, 118538), (322, 67736), (368, 59269), (644, 33868), (1288, 16934), (2576, 8467)]