21159006

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320591}}^1$

素因数の和:320607

約数の個数: 16

約数和(自身を含む): 46165248

約数和(自身を除く): 25006242

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320591, 641182, 961773, 1923546, 3526501, 7053002, 10579503, 21159006]

約数ペア:

[(1, 21159006), (2, 10579503), (3, 7053002), (6, 3526501), (11, 1923546), (22, 961773), (33, 641182), (66, 320591)]