21540134

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139871}}^1$

素因数の和:139891

約数の個数: 16

約数和(自身を含む): 40283136

約数和(自身を除く): 18743002

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139871, 279742, 979097, 1538581, 1958194, 3077162, 10770067, 21540134]

約数ペア:

[(1, 21540134), (2, 10770067), (7, 3077162), (11, 1958194), (14, 1538581), (22, 979097), (77, 279742), (154, 139871)]