21006866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26863}}^1$

素因数の和:26905

約数の個数: 16

約数和(自身を含む): 34815744

約数和(自身を除く): 13808878

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26863, 53726, 456671, 617849, 913342, 1235698, 10503433, 21006866]

約数ペア:

[(1, 21006866), (2, 10503433), (17, 1235698), (23, 913342), (34, 617849), (46, 456671), (391, 53726), (782, 26863)]