21359191

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{751}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 25989120

約数和(自身を除く): 4629929

約数列:

[1, 7, 17, 119, 239, 751, 1673, 4063, 5257, 12767, 28441, 89369, 179489, 1256423, 3051313, 21359191]

約数ペア:

[(1, 21359191), (7, 3051313), (17, 1256423), (119, 179489), (239, 89369), (751, 28441), (1673, 12767), (4063, 5257)]