21639189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50441}}^1$

素因数の和:50468

約数の個数: 16

約数和(自身を含む): 33897024

約数和(自身を除く): 12257835

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50441, 151323, 554851, 655733, 1664553, 1967199, 7213063, 21639189]

約数ペア:

[(1, 21639189), (3, 7213063), (11, 1967199), (13, 1664553), (33, 655733), (39, 554851), (143, 151323), (429, 50441)]