21800152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247729}}^1$

素因数の和:247746

約数の個数: 16

約数和(自身を含む): 44591400

約数和(自身を除く): 22791248

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247729, 495458, 990916, 1981832, 2725019, 5450038, 10900076, 21800152]

約数ペア:

[(1, 21800152), (2, 10900076), (4, 5450038), (8, 2725019), (11, 1981832), (22, 990916), (44, 495458), (88, 247729)]