21672939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4813}}^1$

素因数の和:4914

約数の個数: 16

約数和(自身を含む): 30809600

約数和(自身を除く): 9136661

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4813, 14439, 91447, 274341, 380227, 1140681, 7224313, 21672939]

約数ペア:

[(1, 21672939), (3, 7224313), (19, 1140681), (57, 380227), (79, 274341), (237, 91447), (1501, 14439), (4503, 4813)]