21866245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{683}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 27743040

約数和(自身を除く): 5876795

約数列:

[1, 5, 19, 95, 337, 683, 1685, 3415, 6403, 12977, 32015, 64885, 230171, 1150855, 4373249, 21866245]

約数ペア:

[(1, 21866245), (5, 4373249), (19, 1150855), (95, 230171), (337, 64885), (683, 32015), (1685, 12977), (3415, 6403)]