21022562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{2707}}^1$

素因数の和:3073

約数の個数: 16

約数和(自身を含む): 34510752

約数和(自身を除く): 13488190

約数列:

[1, 2, 11, 22, 353, 706, 2707, 3883, 5414, 7766, 29777, 59554, 955571, 1911142, 10511281, 21022562]

約数ペア:

[(1, 21022562), (2, 10511281), (11, 1911142), (22, 955571), (353, 59554), (706, 29777), (2707, 7766), (3883, 5414)]