21880452834

素因数分解:

$2^1\times 3^3\times {\mathrm{405193571}}^1$

素因数の和:405193582

約数の個数: 16

約数和(自身を含む): 48623228640

約数和(自身を除く): 26742775806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405193571, 810387142, 1215580713, 2431161426, 3646742139, 7293484278, 10940226417, 21880452834]

約数ペア:

[(1, 21880452834), (2, 10940226417), (3, 7293484278), (6, 3646742139), (9, 2431161426), (18, 1215580713), (27, 810387142), (54, 405193571)]