21473211

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8826

約数の個数: 16

約数和(自身を含む): 30842240

約数和(自身を除く): 9369029

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8761, 26283, 166459, 376723, 499377, 1130169, 7157737, 21473211]

約数ペア:

[(1, 21473211), (3, 7157737), (19, 1130169), (43, 499377), (57, 376723), (129, 166459), (817, 26283), (2451, 8761)]