21041624

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{7451}}^1$

素因数の和:7810

約数の個数: 16

約数和(自身を含む): 39570120

約数和(自身を除く): 18528496

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 7451, 14902, 29804, 59608, 2630203, 5260406, 10520812, 21041624]

約数ペア:

[(1, 21041624), (2, 10520812), (4, 5260406), (8, 2630203), (353, 59608), (706, 29804), (1412, 14902), (2824, 7451)]