21157224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80141}}^1$

素因数の和:80161

約数の個数: 32

約数和(自身を含む): 57702240

約数和(自身を除く): 36545016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80141, 160282, 240423, 320564, 480846, 641128, 881551, 961692, 1763102, 1923384, 2644653, 3526204, 5289306, 7052408, 10578612, 21157224]

約数ペア:

[(1, 21157224), (2, 10578612), (3, 7052408), (4, 5289306), (6, 3526204), (8, 2644653), (11, 1923384), (12, 1763102), (22, 961692), (24, 881551), (33, 641128), (44, 480846), (66, 320564), (88, 240423), (132, 160282), (264, 80141)]