21080494028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479102137}}^1$

素因数の和:479102152

約数の個数: 12

約数和(自身を含む): 40244579592

約数和(自身を除く): 19164085564

約数列:

[1, 2, 4, 11, 22, 44, 479102137, 958204274, 1916408548, 5270123507, 10540247014, 21080494028]

約数ペア:

[(1, 21080494028), (2, 10540247014), (4, 5270123507), (11, 1916408548), (22, 958204274), (44, 479102137)]