21188354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{9001}}^1$

素因数の和:9121

約数の個数: 16

約数和(自身を含む): 34999776

約数和(自身を除く): 13811422

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 9001, 18002, 99011, 198022, 963107, 1926214, 10594177, 21188354]

約数ペア:

[(1, 21188354), (2, 10594177), (11, 1926214), (22, 963107), (107, 198022), (214, 99011), (1177, 18002), (2354, 9001)]