21320199

素因数分解:

$3^3\times {\mathrm{233}}^1\times {\mathrm{3389}}^1$

素因数の和:3631

約数の個数: 16

約数和(自身を含む): 31730400

約数和(自身を除く): 10410201

約数列:

[1, 3, 9, 27, 233, 699, 2097, 3389, 6291, 10167, 30501, 91503, 789637, 2368911, 7106733, 21320199]

約数ペア:

[(1, 21320199), (3, 7106733), (9, 2368911), (27, 789637), (233, 91503), (699, 30501), (2097, 10167), (3389, 6291)]