21904728

素因数分解:

$2^3\times 3^1\times {\mathrm{193}}^1\times {\mathrm{4729}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 55057200

約数和(自身を除く): 33152472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 193, 386, 579, 772, 1158, 1544, 2316, 4632, 4729, 9458, 14187, 18916, 28374, 37832, 56748, 113496, 912697, 1825394, 2738091, 3650788, 5476182, 7301576, 10952364, 21904728]

約数ペア:

[(1, 21904728), (2, 10952364), (3, 7301576), (4, 5476182), (6, 3650788), (8, 2738091), (12, 1825394), (24, 912697), (193, 113496), (386, 56748), (579, 37832), (772, 28374), (1158, 18916), (1544, 14187), (2316, 9458), (4632, 4729)]