21889593

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1741}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 34784256

約数和(自身を除く): 12894663

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1741, 4191, 5223, 12573, 15669, 19151, 57453, 172359, 221107, 663321, 1989963, 2432177, 7296531, 21889593]

約数ペア:

[(1, 21889593), (3, 7296531), (9, 2432177), (11, 1989963), (33, 663321), (99, 221107), (127, 172359), (381, 57453), (1143, 19151), (1397, 15669), (1741, 12573), (4191, 5223)]