21632678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5527}}^1$

素因数の和:5651

約数の個数: 16

約数和(自身を含む): 34494720

約数和(自身を除く): 12862042

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5527, 11054, 105013, 210026, 569281, 1138562, 10816339, 21632678]

約数ペア:

[(1, 21632678), (2, 10816339), (19, 1138562), (38, 569281), (103, 210026), (206, 105013), (1957, 11054), (3914, 5527)]