21079042

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{409}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 32221080

約数和(自身を除く): 11142038

約数列:

[1, 2, 73, 146, 353, 409, 706, 818, 25769, 29857, 51538, 59714, 144377, 288754, 10539521, 21079042]

約数ペア:

[(1, 21079042), (2, 10539521), (73, 288754), (146, 144377), (353, 59714), (409, 51538), (706, 29857), (818, 25769)]