21897284

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{176591}}^1$

素因数の和:176626

約数の個数: 12

約数和(自身を含む): 39556608

約数和(自身を除く): 17659324

約数列:

[1, 2, 4, 31, 62, 124, 176591, 353182, 706364, 5474321, 10948642, 21897284]

約数ペア:

[(1, 21897284), (2, 10948642), (4, 5474321), (31, 706364), (62, 353182), (124, 176591)]