21886641

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4759}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 36632960

約数和(自身を除く): 14746319

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 4759, 14277, 33313, 42831, 99939, 299817, 347407, 1042221, 2431849, 3126663, 7295547, 21886641]

約数ペア:

[(1, 21886641), (3, 7295547), (7, 3126663), (9, 2431849), (21, 1042221), (63, 347407), (73, 299817), (219, 99939), (511, 42831), (657, 33313), (1533, 14277), (4599, 4759)]