20212147907

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{47335241}}^1$

素因数の和:47335309

約数の個数: 8

約数和(自身を含む): 23478280032

約数和(自身を除く): 3266132125

約数列:

[1, 7, 61, 427, 47335241, 331346687, 2887449701, 20212147907]

約数ペア:

[(1, 20212147907), (7, 2887449701), (61, 331346687), (427, 47335241)]