21560416

素因数分解:

$2^5\times {\mathrm{193}}^1\times {\mathrm{3491}}^1$

素因数の和:3694

約数の個数: 24

約数和(自身を含む): 42679224

約数和(自身を除く): 21118808

約数列:

[1, 2, 4, 8, 16, 32, 193, 386, 772, 1544, 3088, 3491, 6176, 6982, 13964, 27928, 55856, 111712, 673763, 1347526, 2695052, 5390104, 10780208, 21560416]

約数ペア:

[(1, 21560416), (2, 10780208), (4, 5390104), (8, 2695052), (16, 1347526), (32, 673763), (193, 111712), (386, 55856), (772, 27928), (1544, 13964), (3088, 6982), (3491, 6176)]