21849112

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{10627}}^1$

素因数の和:10890

約数の個数: 16

約数和(自身を含む): 41130360

約数和(自身を除く): 19281248

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 10627, 21254, 42508, 85016, 2731139, 5462278, 10924556, 21849112]

約数ペア:

[(1, 21849112), (2, 10924556), (4, 5462278), (8, 2731139), (257, 85016), (514, 42508), (1028, 21254), (2056, 10627)]