2561958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{20333}}^1$

素因数の和:20348

約数の個数: 24

約数和(自身を含む): 6344208

約数和(自身を除く): 3782250

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 20333, 40666, 60999, 121998, 142331, 182997, 284662, 365994, 426993, 853986, 1280979, 2561958]

約数ペア:

[(1, 2561958), (2, 1280979), (3, 853986), (6, 426993), (7, 365994), (9, 284662), (14, 182997), (18, 142331), (21, 121998), (42, 60999), (63, 40666), (126, 20333)]