21699093

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 31669248

約数和(自身を除く): 9970155

約数列:

[1, 3, 13, 39, 127, 169, 337, 381, 507, 1011, 1651, 4381, 4953, 13143, 21463, 42799, 56953, 64389, 128397, 170859, 556387, 1669161, 7233031, 21699093]

約数ペア:

[(1, 21699093), (3, 7233031), (13, 1669161), (39, 556387), (127, 170859), (169, 128397), (337, 64389), (381, 56953), (507, 42799), (1011, 21463), (1651, 13143), (4381, 4953)]