21053421

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{29611}}^1$

素因数の和:29696

約数の個数: 12

約数和(自身を含む): 30796480

約数和(自身を除く): 9743059

約数列:

[1, 3, 9, 79, 237, 711, 29611, 88833, 266499, 2339269, 7017807, 21053421]

約数ペア:

[(1, 21053421), (3, 7017807), (9, 2339269), (79, 266499), (237, 88833), (711, 29611)]