21968811

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 33873840

約数和(自身を除く): 11905029

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1033, 1251, 2363, 3099, 7089, 9297, 17561, 21267, 52683, 143587, 158049, 430761, 1292283, 2440979, 7322937, 21968811]

約数ペア:

[(1, 21968811), (3, 7322937), (9, 2440979), (17, 1292283), (51, 430761), (139, 158049), (153, 143587), (417, 52683), (1033, 21267), (1251, 17561), (2363, 9297), (3099, 7089)]