21408084

素因数分解:

$2^2\times 3^3\times {\mathrm{198223}}^1$

素因数の和:198236

約数の個数: 24

約数和(自身を含む): 55502720

約数和(自身を除く): 34094636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198223, 396446, 594669, 792892, 1189338, 1784007, 2378676, 3568014, 5352021, 7136028, 10704042, 21408084]

約数ペア:

[(1, 21408084), (2, 10704042), (3, 7136028), (4, 5352021), (6, 3568014), (9, 2378676), (12, 1784007), (18, 1189338), (27, 792892), (36, 594669), (54, 396446), (108, 198223)]