21067676

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4157}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 21310660

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4157, 5068, 8314, 16628, 29099, 58198, 116396, 752417, 1504834, 3009668, 5266919, 10533838, 21067676]

約数ペア:

[(1, 21067676), (2, 10533838), (4, 5266919), (7, 3009668), (14, 1504834), (28, 752417), (181, 116396), (362, 58198), (724, 29099), (1267, 16628), (2534, 8314), (4157, 5068)]