21426927

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 8813073

約数列:

[1, 3, 19, 57, 199, 597, 1889, 3781, 5667, 11343, 35891, 107673, 375911, 1127733, 7142309, 21426927]

約数ペア:

[(1, 21426927), (3, 7142309), (19, 1127733), (57, 375911), (199, 107673), (597, 35891), (1889, 11343), (3781, 5667)]