21792891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10891}}^1$

素因数の和:10946

約数の個数: 16

約数和(自身を含む): 31368960

約数和(自身を除く): 9576069

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10891, 32673, 250493, 315839, 751479, 947517, 7264297, 21792891]

約数ペア:

[(1, 21792891), (3, 7264297), (23, 947517), (29, 751479), (69, 315839), (87, 250493), (667, 32673), (2001, 10891)]