21021562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2437}}^1$

素因数の和:2685

約数の個数: 16

約数和(自身を含む): 33351840

約数和(自身を除く): 12330278

約数列:

[1, 2, 19, 38, 227, 454, 2437, 4313, 4874, 8626, 46303, 92606, 553199, 1106398, 10510781, 21021562]

約数ペア:

[(1, 21021562), (2, 10510781), (19, 1106398), (38, 553199), (227, 92606), (454, 46303), (2437, 8626), (4313, 4874)]