21131826

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{34871}}^1$

素因数の和:34977

約数の個数: 16

約数和(自身を含む): 42683328

約数和(自身を除く): 21551502

約数列:

[1, 2, 3, 6, 101, 202, 303, 606, 34871, 69742, 104613, 209226, 3521971, 7043942, 10565913, 21131826]

約数ペア:

[(1, 21131826), (2, 10565913), (3, 7043942), (6, 3521971), (101, 209226), (202, 104613), (303, 69742), (606, 34871)]