21342267

素因数分解:

$3^2\times {\mathrm{571}}^1\times {\mathrm{4153}}^1$

素因数の和:4730

約数の個数: 12

約数和(自身を含む): 30889144

約数和(自身を除く): 9546877

約数列:

[1, 3, 9, 571, 1713, 4153, 5139, 12459, 37377, 2371363, 7114089, 21342267]

約数ペア:

[(1, 21342267), (3, 7114089), (9, 2371363), (571, 37377), (1713, 12459), (4153, 5139)]