21540597

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4349}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 31180800

約数和(自身を除く): 9640203

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4349, 4953, 13047, 56537, 169611, 552323, 1656969, 7180199, 21540597]

約数ペア:

[(1, 21540597), (3, 7180199), (13, 1656969), (39, 552323), (127, 169611), (381, 56537), (1651, 13047), (4349, 4953)]