21262989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2293}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 31051584

約数和(自身を除く): 9788595

約数列:

[1, 3, 11, 33, 281, 843, 2293, 3091, 6879, 9273, 25223, 75669, 644333, 1932999, 7087663, 21262989]

約数ペア:

[(1, 21262989), (3, 7087663), (11, 1932999), (33, 644333), (281, 75669), (843, 25223), (2293, 9273), (3091, 6879)]