21057674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2411}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 34559136

約数和(自身を除く): 13501462

約数列:

[1, 2, 11, 22, 397, 794, 2411, 4367, 4822, 8734, 26521, 53042, 957167, 1914334, 10528837, 21057674]

約数ペア:

[(1, 21057674), (2, 10528837), (11, 1914334), (22, 957167), (397, 53042), (794, 26521), (2411, 8734), (4367, 4822)]