21669508

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3889}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 43568000

約数和(自身を除く): 21898492

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3889, 5572, 7778, 15556, 27223, 54446, 108892, 773911, 1547822, 3095644, 5417377, 10834754, 21669508]

約数ペア:

[(1, 21669508), (2, 10834754), (4, 5417377), (7, 3095644), (14, 1547822), (28, 773911), (199, 108892), (398, 54446), (796, 27223), (1393, 15556), (2786, 7778), (3889, 5572)]