21285802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{1307}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 33903360

約数和(自身を除く): 12617558

約数列:

[1, 2, 17, 34, 479, 958, 1307, 2614, 8143, 16286, 22219, 44438, 626053, 1252106, 10642901, 21285802]

約数ペア:

[(1, 21285802), (2, 10642901), (17, 1252106), (34, 626053), (479, 44438), (958, 22219), (1307, 16286), (2614, 8143)]