21261768

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80537}}^1$

素因数の和:80557

約数の個数: 32

約数和(自身を含む): 57987360

約数和(自身を除く): 36725592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80537, 161074, 241611, 322148, 483222, 644296, 885907, 966444, 1771814, 1932888, 2657721, 3543628, 5315442, 7087256, 10630884, 21261768]

約数ペア:

[(1, 21261768), (2, 10630884), (3, 7087256), (4, 5315442), (6, 3543628), (8, 2657721), (11, 1932888), (12, 1771814), (22, 966444), (24, 885907), (33, 644296), (44, 483222), (66, 322148), (88, 241611), (132, 161074), (264, 80537)]