21339444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254041}}^1$

素因数の和:254055

約数の個数: 24

約数和(自身を含む): 56905408

約数和(自身を除く): 35565964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254041, 508082, 762123, 1016164, 1524246, 1778287, 3048492, 3556574, 5334861, 7113148, 10669722, 21339444]

約数ペア:

[(1, 21339444), (2, 10669722), (3, 7113148), (4, 5334861), (6, 3556574), (7, 3048492), (12, 1778287), (14, 1524246), (21, 1016164), (28, 762123), (42, 508082), (84, 254041)]