21662927

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 26281728

約数和(自身を除く): 4618801

約数列:

[1, 11, 13, 43, 143, 169, 271, 473, 559, 1859, 2981, 3523, 6149, 7267, 11653, 38753, 45799, 79937, 128183, 151489, 503789, 1666379, 1969357, 21662927]

約数ペア:

[(1, 21662927), (11, 1969357), (13, 1666379), (43, 503789), (143, 151489), (169, 128183), (271, 79937), (473, 45799), (559, 38753), (1859, 11653), (2981, 7267), (3523, 6149)]