21700912

素因数分解:

$2^4\times {\mathrm{1109}}^1\times {\mathrm{1223}}^1$

素因数の和:2340

約数の個数: 20

約数和(自身を含む): 42117840

約数和(自身を除く): 20416928

約数列:

[1, 2, 4, 8, 16, 1109, 1223, 2218, 2446, 4436, 4892, 8872, 9784, 17744, 19568, 1356307, 2712614, 5425228, 10850456, 21700912]

約数ペア:

[(1, 21700912), (2, 10850456), (4, 5425228), (8, 2712614), (16, 1356307), (1109, 19568), (1223, 17744), (2218, 9784), (2446, 8872), (4436, 4892)]