21776787

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 32872320

約数和(自身を除く): 11095533

約数列:

[1, 3, 9, 31, 89, 93, 267, 279, 801, 877, 2631, 2759, 7893, 8277, 24831, 27187, 78053, 81561, 234159, 244683, 702477, 2419643, 7258929, 21776787]

約数ペア:

[(1, 21776787), (3, 7258929), (9, 2419643), (31, 702477), (89, 244683), (93, 234159), (267, 81561), (279, 78053), (801, 27187), (877, 24831), (2631, 8277), (2759, 7893)]