21762839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 4733161

約数列:

[1, 7, 17, 119, 199, 919, 1393, 3383, 6433, 15623, 23681, 109361, 182881, 1280167, 3108977, 21762839]

約数ペア:

[(1, 21762839), (7, 3108977), (17, 1280167), (119, 182881), (199, 109361), (919, 23681), (1393, 15623), (3383, 6433)]