21547414

素因数分解:

$2^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3571}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 37034496

約数和(自身を除く): 15487082

約数列:

[1, 2, 7, 14, 431, 862, 3017, 3571, 6034, 7142, 24997, 49994, 1539101, 3078202, 10773707, 21547414]

約数ペア:

[(1, 21547414), (2, 10773707), (7, 3078202), (14, 1539101), (431, 49994), (862, 24997), (3017, 7142), (3571, 6034)]