21231322

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79817}}^1$

素因数の和:79845

約数の個数: 16

約数和(自身を含む): 38312640

約数和(自身を除く): 17081318

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79817, 159634, 558719, 1117438, 1516523, 3033046, 10615661, 21231322]

約数ペア:

[(1, 21231322), (2, 10615661), (7, 3033046), (14, 1516523), (19, 1117438), (38, 558719), (133, 159634), (266, 79817)]