21900301

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 24537600

約数和(自身を除く): 2637299

約数列:

[1, 17, 23, 79, 391, 709, 1343, 1817, 12053, 16307, 30889, 56011, 277219, 952187, 1288253, 21900301]

約数ペア:

[(1, 21900301), (17, 1288253), (23, 952187), (79, 277219), (391, 56011), (709, 30889), (1343, 16307), (1817, 12053)]