21576834

素因数分解:

$2^1\times 3^3\times {\mathrm{399571}}^1$

素因数の和:399582

約数の個数: 16

約数和(自身を含む): 47948640

約数和(自身を除く): 26371806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399571, 799142, 1198713, 2397426, 3596139, 7192278, 10788417, 21576834]

約数ペア:

[(1, 21576834), (2, 10788417), (3, 7192278), (6, 3596139), (9, 2397426), (18, 1198713), (27, 799142), (54, 399571)]