21872884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{497111}}^1$

素因数の和:497126

約数の個数: 12

約数和(自身を含む): 41757408

約数和(自身を除く): 19884524

約数列:

[1, 2, 4, 11, 22, 44, 497111, 994222, 1988444, 5468221, 10936442, 21872884]

約数ペア:

[(1, 21872884), (2, 10936442), (4, 5468221), (11, 1988444), (22, 994222), (44, 497111)]