21728834

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 11630206

約数列:

[1, 2, 53, 106, 359, 571, 718, 1142, 19027, 30263, 38054, 60526, 204989, 409978, 10864417, 21728834]

約数ペア:

[(1, 21728834), (2, 10864417), (53, 409978), (106, 204989), (359, 60526), (571, 38054), (718, 30263), (1142, 19027)]