21423464

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4139}}^1$

素因数の和:4792

約数の個数: 16

約数和(自身を含む): 40240800

約数和(自身を除く): 18817336

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4139, 5176, 8278, 16556, 33112, 2677933, 5355866, 10711732, 21423464]

約数ペア:

[(1, 21423464), (2, 10711732), (4, 5355866), (8, 2677933), (647, 33112), (1294, 16556), (2588, 8278), (4139, 5176)]