21811446

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{6151}}^1$

素因数の和:6356

約数の個数: 24

約数和(自身を含む): 47505744

約数和(自身を除く): 25694298

約数列:

[1, 2, 3, 6, 9, 18, 197, 394, 591, 1182, 1773, 3546, 6151, 12302, 18453, 36906, 55359, 110718, 1211747, 2423494, 3635241, 7270482, 10905723, 21811446]

約数ペア:

[(1, 21811446), (2, 10905723), (3, 7270482), (6, 3635241), (9, 2423494), (18, 1211747), (197, 110718), (394, 55359), (591, 36906), (1182, 18453), (1773, 12302), (3546, 6151)]