21089827

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 24791040

約数和(自身を除く): 3701213

約数列:

[1, 11, 23, 31, 253, 341, 713, 2689, 7843, 29579, 61847, 83359, 680317, 916949, 1917257, 21089827]

約数ペア:

[(1, 21089827), (11, 1917257), (23, 916949), (31, 680317), (253, 83359), (341, 61847), (713, 29579), (2689, 7843)]