21267663

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18131}}^1$

素因数の和:18174

約数の個数: 16

約数和(自身を含む): 31332096

約数和(自身を除く): 10064433

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18131, 54393, 308227, 417013, 924681, 1251039, 7089221, 21267663]

約数ペア:

[(1, 21267663), (3, 7089221), (17, 1251039), (23, 924681), (51, 417013), (69, 308227), (391, 54393), (1173, 18131)]