2021855619

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3105769}}^1$

素因数の和:3105810

約数の個数: 16

約数和(自身を含む): 3180308480

約数和(自身を除く): 1158452861

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3105769, 9317307, 21740383, 65221149, 96278839, 288836517, 673951873, 2021855619]

約数ペア:

[(1, 2021855619), (3, 673951873), (7, 288836517), (21, 96278839), (31, 65221149), (93, 21740383), (217, 9317307), (651, 3105769)]