21227211

素因数分解:

$3^3\times {\mathrm{863}}^1\times {\mathrm{911}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 10291509

約数列:

[1, 3, 9, 27, 863, 911, 2589, 2733, 7767, 8199, 23301, 24597, 786193, 2358579, 7075737, 21227211]

約数ペア:

[(1, 21227211), (3, 7075737), (9, 2358579), (27, 786193), (863, 24597), (911, 23301), (2589, 8199), (2733, 7767)]