21241187

素因数分解:

${\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:874

約数の個数: 12

約数和(自身を含む): 23461200

約数和(自身を除く): 2220013

約数列:

[1, 11, 121, 349, 503, 3839, 5533, 42229, 60863, 175547, 1931017, 21241187]

約数ペア:

[(1, 21241187), (11, 1931017), (121, 175547), (349, 60863), (503, 42229), (3839, 5533)]