21263222

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 32609952

約数和(自身を除く): 11346730

約数列:

[1, 2, 71, 137, 142, 274, 1093, 2186, 9727, 19454, 77603, 149741, 155206, 299482, 10631611, 21263222]

約数ペア:

[(1, 21263222), (2, 10631611), (71, 299482), (137, 155206), (142, 149741), (274, 77603), (1093, 19454), (2186, 9727)]