21712999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{673}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 27175680

約数和(自身を除く): 5462681

約数列:

[1, 7, 11, 77, 419, 673, 2933, 4609, 4711, 7403, 32263, 51821, 281987, 1973909, 3101857, 21712999]

約数ペア:

[(1, 21712999), (7, 3101857), (11, 1973909), (77, 281987), (419, 51821), (673, 32263), (2933, 7403), (4609, 4711)]