21742431

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3011}}^1$

素因数の和:3126

約数の個数: 16

約数和(自身を含む): 30360960

約数和(自身を除く): 8618529

約数列:

[1, 3, 29, 83, 87, 249, 2407, 3011, 7221, 9033, 87319, 249913, 261957, 749739, 7247477, 21742431]

約数ペア:

[(1, 21742431), (3, 7247477), (29, 749739), (83, 261957), (87, 249913), (249, 87319), (2407, 9033), (3011, 7221)]