21239199

素因数分解:

$3^3\times {\mathrm{463}}^1\times {\mathrm{1699}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 31552000

約数和(自身を除く): 10312801

約数列:

[1, 3, 9, 27, 463, 1389, 1699, 4167, 5097, 12501, 15291, 45873, 786637, 2359911, 7079733, 21239199]

約数ペア:

[(1, 21239199), (3, 7079733), (9, 2359911), (27, 786637), (463, 45873), (1389, 15291), (1699, 12501), (4167, 5097)]