2021521605

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3287027}}^1$

素因数の和:3287076

約数の個数: 16

約数和(自身を含む): 3313324224

約数和(自身を除く): 1291802619

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 3287027, 9861081, 16435135, 49305405, 134768107, 404304321, 673840535, 2021521605]

約数ペア:

[(1, 2021521605), (3, 673840535), (5, 404304321), (15, 134768107), (41, 49305405), (123, 16435135), (205, 9861081), (615, 3287027)]