21191126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8837}}^1$

素因数の和:8959

約数の個数: 16

約数和(自身を含む): 34998480

約数和(自身を除く): 13807354

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8837, 17674, 97207, 194414, 963233, 1926466, 10595563, 21191126]

約数ペア:

[(1, 21191126), (2, 10595563), (11, 1926466), (22, 963233), (109, 194414), (218, 97207), (1199, 17674), (2398, 8837)]