2021990663

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{245417}}^1$

素因数の和:245542

約数の個数: 16

約数和(自身を含む): 2544493824

約数和(自身を除く): 522503161

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 245417, 1717919, 2699587, 18897109, 26259619, 183817333, 288855809, 2021990663]

約数ペア:

[(1, 2021990663), (7, 288855809), (11, 183817333), (77, 26259619), (107, 18897109), (749, 2699587), (1177, 1717919), (8239, 245417)]