21000687191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{4760981}}^1$

素因数の和:4761393

約数の個数: 8

約数和(自身を含む): 22966977168

約数和(自身を除く): 1966289977

約数列:

[1, 11, 401, 4411, 4760981, 52370791, 1909153381, 21000687191]

約数ペア:

[(1, 21000687191), (11, 1909153381), (401, 52370791), (4411, 4760981)]