21449968175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{63901}}^1$

素因数の和:64403

約数の個数: 24

約数和(自身を含む): 27574991040

約数和(自身を除く): 6125022865

約数列:

[1, 5, 25, 29, 145, 463, 725, 2315, 11575, 13427, 63901, 67135, 319505, 335675, 1597525, 1853129, 9265645, 29586163, 46328225, 147930815, 739654075, 857998727, 4289993635, 21449968175]

約数ペア:

[(1, 21449968175), (5, 4289993635), (25, 857998727), (29, 739654075), (145, 147930815), (463, 46328225), (725, 29586163), (2315, 9265645), (11575, 1853129), (13427, 1597525), (63901, 335675), (67135, 319505)]