21271811

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5987}}^1$

素因数の和:6034

約数の個数: 16

約数和(自身を含む): 25868160

約数和(自身を除く): 4596349

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 5987, 65857, 101779, 113753, 1119569, 1251283, 1933801, 21271811]

約数ペア:

[(1, 21271811), (11, 1933801), (17, 1251283), (19, 1119569), (187, 113753), (209, 101779), (323, 65857), (3553, 5987)]