21189249

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1873}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 31483200

約数和(自身を除く): 10293951

約数列:

[1, 3, 9, 27, 419, 1257, 1873, 3771, 5619, 11313, 16857, 50571, 784787, 2354361, 7063083, 21189249]

約数ペア:

[(1, 21189249), (3, 7063083), (9, 2354361), (27, 784787), (419, 50571), (1257, 16857), (1873, 11313), (3771, 5619)]