21080618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4201}}^1$

素因数の和:4409

約数の個数: 16

約数和(自身を含む): 34237896

約数和(自身を除く): 13157278

約数列:

[1, 2, 13, 26, 193, 386, 2509, 4201, 5018, 8402, 54613, 109226, 810793, 1621586, 10540309, 21080618]

約数ペア:

[(1, 21080618), (2, 10540309), (13, 1621586), (26, 810793), (193, 109226), (386, 54613), (2509, 8402), (4201, 5018)]