21556501813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14734451}}^1$

素因数の和:14734488

約数の個数: 16

約数和(自身を含む): 28290147840

約数和(自身を除く): 6733646027

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14734451, 103141157, 162078961, 279954569, 1134552727, 1959681983, 3079500259, 21556501813]

約数ペア:

[(1, 21556501813), (7, 3079500259), (11, 1959681983), (19, 1134552727), (77, 279954569), (133, 162078961), (209, 103141157), (1463, 14734451)]