21000948038

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51726473}}^1$

素因数の和:51726511

約数の個数: 16

約数和(自身を含む): 37243061280

約数和(自身を除く): 16242113242

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51726473, 103452946, 362085311, 724170622, 1500067717, 3000135434, 10500474019, 21000948038]

約数ペア:

[(1, 21000948038), (2, 10500474019), (7, 3000135434), (14, 1500067717), (29, 724170622), (58, 362085311), (203, 103452946), (406, 51726473)]