21881222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2297}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 35903952

約数和(自身を除く): 14022730

約数列:

[1, 2, 11, 22, 433, 866, 2297, 4594, 4763, 9526, 25267, 50534, 994601, 1989202, 10940611, 21881222]

約数ペア:

[(1, 21881222), (2, 10940611), (11, 1989202), (22, 994601), (433, 50534), (866, 25267), (2297, 9526), (4594, 4763)]