21862379

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 28366848

約数和(自身を除く): 6504469

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 863, 2303, 3619, 6041, 9493, 25333, 40561, 42287, 66451, 283927, 446171, 465157, 1987489, 3123197, 21862379]

約数ペア:

[(1, 21862379), (7, 3123197), (11, 1987489), (47, 465157), (49, 446171), (77, 283927), (329, 66451), (517, 42287), (539, 40561), (863, 25333), (2303, 9493), (3619, 6041)]