21017059

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{8317}}^1$

素因数の和:8362

約数の個数: 12

約数和(自身を含む): 25353264

約数和(自身を除く): 4336205

約数列:

[1, 7, 19, 133, 361, 2527, 8317, 58219, 158023, 1106161, 3002437, 21017059]

約数ペア:

[(1, 21017059), (7, 3002437), (19, 1106161), (133, 158023), (361, 58219), (2527, 8317)]