21156222

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66529}}^1$

素因数の和:66587

約数の個数: 16

約数和(自身を含む): 43111440

約数和(自身を除く): 21955218

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66529, 133058, 199587, 399174, 3526037, 7052074, 10578111, 21156222]

約数ペア:

[(1, 21156222), (2, 10578111), (3, 7052074), (6, 3526037), (53, 399174), (106, 199587), (159, 133058), (318, 66529)]