21000398486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{617658779}}^1$

素因数の和:617658798

約数の個数: 8

約数和(自身を含む): 33353574120

約数和(自身を除く): 12353175634

約数列:

[1, 2, 17, 34, 617658779, 1235317558, 10500199243, 21000398486]

約数ペア:

[(1, 21000398486), (2, 10500199243), (17, 1235317558), (34, 617658779)]