21893778

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3911}}^1$

素因数の和:4230

約数の個数: 24

約数和(自身を含む): 47601216

約数和(自身を除く): 25707438

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3911, 5598, 7822, 11733, 23466, 35199, 70398, 1216321, 2432642, 3648963, 7297926, 10946889, 21893778]

約数ペア:

[(1, 21893778), (2, 10946889), (3, 7297926), (6, 3648963), (9, 2432642), (18, 1216321), (311, 70398), (622, 35199), (933, 23466), (1866, 11733), (2799, 7822), (3911, 5598)]