21725242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141073}}^1$

素因数の和:141093

約数の個数: 16

約数和(自身を含む): 40629312

約数和(自身を除く): 18904070

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141073, 282146, 987511, 1551803, 1975022, 3103606, 10862621, 21725242]

約数ペア:

[(1, 21725242), (2, 10862621), (7, 3103606), (11, 1975022), (14, 1551803), (22, 987511), (77, 282146), (154, 141073)]