21736561

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2333}}^1$

素因数の和:2373

約数の個数: 16

約数和(自身を含む): 27335808

約数和(自身を除く): 5599247

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2333, 9317, 16331, 25663, 179641, 282293, 1976051, 3105223, 21736561]

約数ペア:

[(1, 21736561), (7, 3105223), (11, 1976051), (77, 282293), (121, 179641), (847, 25663), (1331, 16331), (2333, 9317)]