22121605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21169}}^1$

素因数の和:21204

約数の個数: 16

約数和(自身を含む): 30484800

約数和(自身を除く): 8363195

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 21169, 105845, 232859, 402211, 1164295, 2011055, 4424321, 22121605]

約数ペア:

[(1, 22121605), (5, 4424321), (11, 2011055), (19, 1164295), (55, 402211), (95, 232859), (209, 105845), (1045, 21169)]