21778797

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1447}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 30234240

約数和(自身を除く): 8455443

約数列:

[1, 3, 29, 87, 173, 519, 1447, 4341, 5017, 15051, 41963, 125889, 250331, 750993, 7259599, 21778797]

約数ペア:

[(1, 21778797), (3, 7259599), (29, 750993), (87, 250331), (173, 125889), (519, 41963), (1447, 15051), (4341, 5017)]