21761311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3606

約数の個数: 16

約数和(自身を含む): 26167680

約数和(自身を除く): 4406369

約数列:

[1, 11, 13, 43, 143, 473, 559, 3539, 6149, 38929, 46007, 152177, 506077, 1673947, 1978301, 21761311]

約数ペア:

[(1, 21761311), (11, 1978301), (13, 1673947), (43, 506077), (143, 152177), (473, 46007), (559, 38929), (3539, 6149)]