21031043

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3644797

約数列:

[1, 11, 19, 47, 209, 517, 893, 2141, 9823, 23551, 40679, 100627, 447469, 1106897, 1911913, 21031043]

約数ペア:

[(1, 21031043), (11, 1911913), (19, 1106897), (47, 447469), (209, 100627), (517, 40679), (893, 23551), (2141, 9823)]