21045673

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 24431040

約数和(自身を除く): 3385367

約数列:

[1, 11, 19, 101, 209, 997, 1111, 1919, 10967, 18943, 21109, 100697, 208373, 1107667, 1913243, 21045673]

約数ペア:

[(1, 21045673), (11, 1913243), (19, 1107667), (101, 208373), (209, 100697), (997, 21109), (1111, 18943), (1919, 10967)]