21150666

素因数分解:

$2^1\times 3^3\times {\mathrm{391679}}^1$

素因数の和:391690

約数の個数: 16

約数和(自身を含む): 47001600

約数和(自身を除く): 25850934

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391679, 783358, 1175037, 2350074, 3525111, 7050222, 10575333, 21150666]

約数ペア:

[(1, 21150666), (2, 10575333), (3, 7050222), (6, 3525111), (9, 2350074), (18, 1175037), (27, 783358), (54, 391679)]