2021985441

素因数分解:

$3^2\times 7^2\times {\mathrm{4585001}}^1$

素因数の和:4585021

約数の個数: 18

約数和(自身を含む): 3397486482

約数和(自身を除く): 1375501041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4585001, 13755003, 32095007, 41265009, 96285021, 224665049, 288855063, 673995147, 2021985441]

約数ペア:

[(1, 2021985441), (3, 673995147), (7, 288855063), (9, 224665049), (21, 96285021), (49, 41265009), (63, 32095007), (147, 13755003), (441, 4585001)]