21110316

素因数分解:

$2^2\times 3^1\times {\mathrm{647}}^1\times {\mathrm{2719}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 49351680

約数和(自身を除く): 28241364

約数列:

[1, 2, 3, 4, 6, 12, 647, 1294, 1941, 2588, 2719, 3882, 5438, 7764, 8157, 10876, 16314, 32628, 1759193, 3518386, 5277579, 7036772, 10555158, 21110316]

約数ペア:

[(1, 21110316), (2, 10555158), (3, 7036772), (4, 5277579), (6, 3518386), (12, 1759193), (647, 32628), (1294, 16314), (1941, 10876), (2588, 8157), (2719, 7764), (3882, 5438)]