21779229

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 8633571

約数列:

[1, 3, 23, 69, 439, 719, 1317, 2157, 10097, 16537, 30291, 49611, 315641, 946923, 7259743, 21779229]

約数ペア:

[(1, 21779229), (3, 7259743), (23, 946923), (69, 315641), (439, 49611), (719, 30291), (1317, 16537), (2157, 10097)]