21115534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1597}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 34631856

約数和(自身を除く): 13516322

約数列:

[1, 2, 11, 22, 601, 1202, 1597, 3194, 6611, 13222, 17567, 35134, 959797, 1919594, 10557767, 21115534]

約数ペア:

[(1, 21115534), (2, 10557767), (11, 1919594), (22, 959797), (601, 35134), (1202, 17567), (1597, 13222), (3194, 6611)]