21672848

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13151}}^1$

素因数の和:13262

約数の個数: 20

約数和(自身を含む): 42402048

約数和(自身を除く): 20729200

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13151, 26302, 52604, 105208, 210416, 1354553, 2709106, 5418212, 10836424, 21672848]

約数ペア:

[(1, 21672848), (2, 10836424), (4, 5418212), (8, 2709106), (16, 1354553), (103, 210416), (206, 105208), (412, 52604), (824, 26302), (1648, 13151)]