21081781786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7577923}}^1$

素因数の和:7578045

約数の個数: 16

約数和(自身を含む): 34373463264

約数和(自身を除く): 13291681478

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7577923, 15155846, 98512999, 197025998, 810837761, 1621675522, 10540890893, 21081781786]

約数ペア:

[(1, 21081781786), (2, 10540890893), (13, 1621675522), (26, 810837761), (107, 197025998), (214, 98512999), (1391, 15155846), (2782, 7577923)]