21778601

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 24279696

約数和(自身を除く): 2501095

約数列:

[1, 13, 53, 73, 433, 689, 949, 3869, 5629, 22949, 31609, 50297, 298337, 410917, 1675277, 21778601]

約数ペア:

[(1, 21778601), (13, 1675277), (53, 410917), (73, 298337), (433, 50297), (689, 31609), (949, 22949), (3869, 5629)]