21888812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{497473}}^1$

素因数の和:497488

約数の個数: 12

約数和(自身を含む): 41787816

約数和(自身を除く): 19899004

約数列:

[1, 2, 4, 11, 22, 44, 497473, 994946, 1989892, 5472203, 10944406, 21888812]

約数ペア:

[(1, 21888812), (2, 10944406), (4, 5472203), (11, 1989892), (22, 994946), (44, 497473)]