21061310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110849}}^1$

素因数の和:110875

約数の個数: 16

約数和(自身を含む): 39906000

約数和(自身を除く): 18844690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110849, 221698, 554245, 1108490, 2106131, 4212262, 10530655, 21061310]

約数ペア:

[(1, 21061310), (2, 10530655), (5, 4212262), (10, 2106131), (19, 1108490), (38, 554245), (95, 221698), (190, 110849)]