21541890062

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139882403}}^1$

素因数の和:139882423

約数の個数: 16

約数和(自身を含む): 40286132352

約数和(自身を除く): 18744242290

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139882403, 279764806, 979176821, 1538706433, 1958353642, 3077412866, 10770945031, 21541890062]

約数ペア:

[(1, 21541890062), (2, 10770945031), (7, 3077412866), (11, 1958353642), (14, 1538706433), (22, 979176821), (77, 279764806), (154, 139882403)]