21888414

素因数分解:

$2^1\times 3^3\times {\mathrm{405341}}^1$

素因数の和:405352

約数の個数: 16

約数和(自身を含む): 48641040

約数和(自身を除く): 26752626

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405341, 810682, 1216023, 2432046, 3648069, 7296138, 10944207, 21888414]

約数ペア:

[(1, 21888414), (2, 10944207), (3, 7296138), (6, 3648069), (9, 2432046), (18, 1216023), (27, 810682), (54, 405341)]