21162152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240479}}^1$

素因数の和:240496

約数の個数: 16

約数和(自身を含む): 43286400

約数和(自身を除く): 22124248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240479, 480958, 961916, 1923832, 2645269, 5290538, 10581076, 21162152]

約数ペア:

[(1, 21162152), (2, 10581076), (4, 5290538), (8, 2645269), (11, 1923832), (22, 961916), (44, 480958), (88, 240479)]