2021570523

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{80021}}^1$

素因数の和:80435

約数の個数: 24

約数和(自身を含む): 3345559776

約数和(自身を除く): 1323989253

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 2807, 3609, 8421, 25263, 80021, 240063, 560147, 720189, 1680441, 5041323, 32088421, 96265263, 224618947, 288795789, 673856841, 2021570523]

約数ペア:

[(1, 2021570523), (3, 673856841), (7, 288795789), (9, 224618947), (21, 96265263), (63, 32088421), (401, 5041323), (1203, 1680441), (2807, 720189), (3609, 560147), (8421, 240063), (25263, 80021)]