2021158521

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{571433}}^1$

素因数の和:571573

約数の個数: 16

約数和(自身を含む): 3017171520

約数和(自身を除く): 996012999

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 571433, 1714299, 5142897, 15428691, 74857723, 224573169, 673719507, 2021158521]

約数ペア:

[(1, 2021158521), (3, 673719507), (9, 224573169), (27, 74857723), (131, 15428691), (393, 5142897), (1179, 1714299), (3537, 571433)]