21423171

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8431}}^1$

素因数の和:8463

約数の個数: 24

約数和(自身を含む): 35886592

約数和(自身を除く): 14463421

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8431, 25293, 59017, 92741, 177051, 278223, 649187, 1020151, 1947561, 3060453, 7141057, 21423171]

約数ペア:

[(1, 21423171), (3, 7141057), (7, 3060453), (11, 1947561), (21, 1020151), (33, 649187), (77, 278223), (121, 177051), (231, 92741), (363, 59017), (847, 25293), (2541, 8431)]