21174873

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 29851200

約数和(自身を除く): 8676327

約数列:

[1, 3, 19, 57, 269, 807, 1381, 4143, 5111, 15333, 26239, 78717, 371489, 1114467, 7058291, 21174873]

約数ペア:

[(1, 21174873), (3, 7058291), (19, 1114467), (57, 371489), (269, 78717), (807, 26239), (1381, 15333), (4143, 5111)]