21044056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239137}}^1$

素因数の和:239154

約数の個数: 16

約数和(自身を含む): 43044840

約数和(自身を除く): 22000784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239137, 478274, 956548, 1913096, 2630507, 5261014, 10522028, 21044056]

約数ペア:

[(1, 21044056), (2, 10522028), (4, 5261014), (8, 2630507), (11, 1913096), (22, 956548), (44, 478274), (88, 239137)]