21456117

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{13469}}^1$

素因数の和:13537

約数の個数: 16

約数和(自身を含む): 32328000

約数和(自身を除く): 10871883

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 13469, 40407, 121221, 363663, 794671, 2384013, 7152039, 21456117]

約数ペア:

[(1, 21456117), (3, 7152039), (9, 2384013), (27, 794671), (59, 363663), (177, 121221), (531, 40407), (1593, 13469)]