21226953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27967}}^1$

素因数の和:28004

約数の個数: 16

約数和(自身を含む): 32219136

約数和(自身を除く): 10992183

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27967, 83901, 307637, 643241, 922911, 1929723, 7075651, 21226953]

約数ペア:

[(1, 21226953), (3, 7075651), (11, 1929723), (23, 922911), (33, 643241), (69, 307637), (253, 83901), (759, 27967)]