21922218

素因数分解:

$2^1\times 3^3\times {\mathrm{405967}}^1$

素因数の和:405978

約数の個数: 16

約数和(自身を含む): 48716160

約数和(自身を除く): 26793942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405967, 811934, 1217901, 2435802, 3653703, 7307406, 10961109, 21922218]

約数ペア:

[(1, 21922218), (2, 10961109), (3, 7307406), (6, 3653703), (9, 2435802), (18, 1217901), (27, 811934), (54, 405967)]