21210019919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{358999}}^1$

素因数の和:359182

約数の個数: 16

約数和(自身を含む): 23883552000

約数和(自身を除く): 2673532081

約数列:

[1, 11, 41, 131, 451, 1441, 5371, 59081, 358999, 3948989, 14718959, 47028869, 161908549, 517317559, 1928183629, 21210019919]

約数ペア:

[(1, 21210019919), (11, 1928183629), (41, 517317559), (131, 161908549), (451, 47028869), (1441, 14718959), (5371, 3948989), (59081, 358999)]