21297727

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 24635520

約数和(自身を除く): 3337793

約数列:

[1, 11, 19, 181, 209, 563, 1991, 3439, 6193, 10697, 37829, 101903, 117667, 1120933, 1936157, 21297727]

約数ペア:

[(1, 21297727), (11, 1936157), (19, 1120933), (181, 117667), (209, 101903), (563, 37829), (1991, 10697), (3439, 6193)]