21648143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 2568049

約数列:

[1, 11, 83, 131, 181, 913, 1441, 1991, 10873, 15023, 23711, 119603, 165253, 260821, 1968013, 21648143]

約数ペア:

[(1, 21648143), (11, 1968013), (83, 260821), (131, 165253), (181, 119603), (913, 23711), (1441, 15023), (1991, 10873)]