21000742055

素因数分解:

$5^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1\times {\mathrm{47207}}^1$

素因数の和:47866

約数の個数: 16

約数和(自身を含む): 25386951744

約数和(自身を除く): 4386209689

約数列:

[1, 5, 193, 461, 965, 2305, 47207, 88973, 236035, 444865, 9110951, 21762427, 45554755, 108812135, 4200148411, 21000742055]

約数ペア:

[(1, 21000742055), (5, 4200148411), (193, 108812135), (461, 45554755), (965, 21762427), (2305, 9110951), (47207, 444865), (88973, 236035)]