21000901251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{82939}}^1\times {\mathrm{7673}}^1$

素因数の和:90626

約数の個数: 16

約数和(自身を含む): 30551114880

約数和(自身を除く): 9550213629

約数列:

[1, 3, 11, 33, 7673, 23019, 82939, 84403, 248817, 253209, 912329, 2736987, 636390947, 1909172841, 7000300417, 21000901251]

約数ペア:

[(1, 21000901251), (3, 7000300417), (11, 1909172841), (33, 636390947), (7673, 2736987), (23019, 912329), (82939, 253209), (84403, 248817)]