21303106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42101}}^1$

素因数の和:42137

約数の個数: 16

約数和(自身を含む): 36376128

約数和(自身を除く): 15073022

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42101, 84202, 463111, 926222, 968323, 1936646, 10651553, 21303106]

約数ペア:

[(1, 21303106), (2, 10651553), (11, 1936646), (22, 968323), (23, 926222), (46, 463111), (253, 84202), (506, 42101)]