21875259

素因数分解:

$3^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1307}}^1$

素因数の和:2114

約数の個数: 16

約数和(自身を含む): 33401088

約数和(自身を除く): 11525829

約数列:

[1, 3, 7, 21, 797, 1307, 2391, 3921, 5579, 9149, 16737, 27447, 1041679, 3125037, 7291753, 21875259]

約数ペア:

[(1, 21875259), (3, 7291753), (7, 3125037), (21, 1041679), (797, 27447), (1307, 16737), (2391, 9149), (3921, 5579)]