21570874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2311}}^1$

素因数の和:2685

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 13386566

約数列:

[1, 2, 13, 26, 359, 718, 2311, 4622, 4667, 9334, 30043, 60086, 829649, 1659298, 10785437, 21570874]

約数ペア:

[(1, 21570874), (2, 10785437), (13, 1659298), (26, 829649), (359, 60086), (718, 30043), (2311, 9334), (4622, 4667)]