21871686

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28703}}^1$

素因数の和:28835

約数の個数: 16

約数和(自身を含む): 44089344

約数和(自身を除く): 22217658

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28703, 57406, 86109, 172218, 3645281, 7290562, 10935843, 21871686]

約数ペア:

[(1, 21871686), (2, 10935843), (3, 7290562), (6, 3645281), (127, 172218), (254, 86109), (381, 57406), (762, 28703)]