21260934

素因数分解:

$2^1\times 3^3\times {\mathrm{393721}}^1$

素因数の和:393732

約数の個数: 16

約数和(自身を含む): 47246640

約数和(自身を除く): 25985706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393721, 787442, 1181163, 2362326, 3543489, 7086978, 10630467, 21260934]

約数ペア:

[(1, 21260934), (2, 10630467), (3, 7086978), (6, 3543489), (9, 2362326), (18, 1181163), (27, 787442), (54, 393721)]