21063681

素因数分解:

$3^2\times {\mathrm{709}}^1\times {\mathrm{3301}}^1$

素因数の和:4016

約数の個数: 12

約数和(自身を含む): 30477460

約数和(自身を除く): 9413779

約数列:

[1, 3, 9, 709, 2127, 3301, 6381, 9903, 29709, 2340409, 7021227, 21063681]

約数ペア:

[(1, 21063681), (3, 7021227), (9, 2340409), (709, 29709), (2127, 9903), (3301, 6381)]