21930879

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 7905921

約数列:

[1, 3, 73, 219, 239, 419, 717, 1257, 17447, 30587, 52341, 91761, 100141, 300423, 7310293, 21930879]

約数ペア:

[(1, 21930879), (3, 7310293), (73, 300423), (219, 100141), (239, 91761), (419, 52341), (717, 30587), (1257, 17447)]