21000481494

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{27559687}}^1$

素因数の和:27559819

約数の個数: 16

約数和(自身を含む): 42331680768

約数和(自身を除く): 21331199274

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 27559687, 55119374, 82679061, 165358122, 3500080249, 7000160498, 10500240747, 21000481494]

約数ペア:

[(1, 21000481494), (2, 10500240747), (3, 7000160498), (6, 3500080249), (127, 165358122), (254, 82679061), (381, 55119374), (762, 27559687)]