21212626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5527}}^1$

素因数の和:5649

約数の個数: 16

約数和(自身を含む): 33831360

約数和(自身を除く): 12618734

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5527, 11054, 105013, 210026, 558227, 1116454, 10606313, 21212626]

約数ペア:

[(1, 21212626), (2, 10606313), (19, 1116454), (38, 558227), (101, 210026), (202, 105013), (1919, 11054), (3838, 5527)]