2021817021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5663353}}^1$

素因数の和:5663380

約数の個数: 16

約数和(自身を含む): 3262091904

約数和(自身を除く): 1240274883

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5663353, 16990059, 39643471, 96277001, 118930413, 288831003, 673939007, 2021817021]

約数ペア:

[(1, 2021817021), (3, 673939007), (7, 288831003), (17, 118930413), (21, 96277001), (51, 39643471), (119, 16990059), (357, 5663353)]