21054319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5077}}^1$

素因数の和:5130

約数の個数: 16

約数和(自身を含む): 25593120

約数和(自身を除く): 4538801

約数列:

[1, 11, 13, 29, 143, 319, 377, 4147, 5077, 55847, 66001, 147233, 726011, 1619563, 1914029, 21054319]

約数ペア:

[(1, 21054319), (11, 1914029), (13, 1619563), (29, 726011), (143, 147233), (319, 66001), (377, 55847), (4147, 5077)]