21301042

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22709}}^1$

素因数の和:22785

約数の個数: 16

約数和(自身を含む): 37062720

約数和(自身を除く): 15761678

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22709, 45418, 158963, 317926, 1521503, 3043006, 10650521, 21301042]

約数ペア:

[(1, 21301042), (2, 10650521), (7, 3043006), (14, 1521503), (67, 317926), (134, 158963), (469, 45418), (938, 22709)]