21106878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270601}}^1$

素因数の和:270619

約数の個数: 16

約数和(自身を含む): 45461136

約数和(自身を除く): 24354258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270601, 541202, 811803, 1623606, 3517813, 7035626, 10553439, 21106878]

約数ペア:

[(1, 21106878), (2, 10553439), (3, 7035626), (6, 3517813), (13, 1623606), (26, 811803), (39, 541202), (78, 270601)]