21129922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33119}}^1$

素因数の和:33161

約数の個数: 16

約数和(自身を含む): 35769600

約数和(自身を除く): 14639678

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33119, 66238, 364309, 728618, 960451, 1920902, 10564961, 21129922]

約数ペア:

[(1, 21129922), (2, 10564961), (11, 1920902), (22, 960451), (29, 728618), (58, 364309), (319, 66238), (638, 33119)]