21668056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142553}}^1$

素因数の和:142578

約数の個数: 16

約数和(自身を含む): 42766200

約数和(自身を除く): 21098144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142553, 285106, 570212, 1140424, 2708507, 5417014, 10834028, 21668056]

約数ペア:

[(1, 21668056), (2, 10834028), (4, 5417014), (8, 2708507), (19, 1140424), (38, 570212), (76, 285106), (152, 142553)]