21000586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1777}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 33284160

約数和(自身を除く): 12283574

約数列:

[1, 2, 19, 38, 311, 622, 1777, 3554, 5909, 11818, 33763, 67526, 552647, 1105294, 10500293, 21000586]

約数ペア:

[(1, 21000586), (2, 10500293), (19, 1105294), (38, 552647), (311, 67526), (622, 33763), (1777, 11818), (3554, 5909)]