21056161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5107}}^1$

素因数の和:5164

約数の個数: 16

約数和(自身を含む): 26152960

約数和(自身を除く): 5096799

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5107, 35749, 97033, 158317, 679231, 1108219, 3008023, 21056161]

約数ペア:

[(1, 21056161), (7, 3008023), (19, 1108219), (31, 679231), (133, 158317), (217, 97033), (589, 35749), (4123, 5107)]