21571352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245129}}^1$

素因数の和:245146

約数の個数: 16

約数和(自身を含む): 44123400

約数和(自身を除く): 22552048

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245129, 490258, 980516, 1961032, 2696419, 5392838, 10785676, 21571352]

約数ペア:

[(1, 21571352), (2, 10785676), (4, 5392838), (8, 2696419), (11, 1961032), (22, 980516), (44, 490258), (88, 245129)]