21150723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2437}}^1$

素因数の和:2714

約数の個数: 16

約数和(自身を含む): 30894336

約数和(自身を除く): 9743613

約数列:

[1, 3, 11, 33, 263, 789, 2437, 2893, 7311, 8679, 26807, 80421, 640931, 1922793, 7050241, 21150723]

約数ペア:

[(1, 21150723), (3, 7050241), (11, 1922793), (33, 640931), (263, 80421), (789, 26807), (2437, 8679), (2893, 7311)]