21834279

素因数分解:

$3^6\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 28

約数和(自身を含む): 33340872

約数和(自身を除く): 11506593

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 491, 549, 729, 1473, 1647, 4419, 4941, 13257, 14823, 29951, 39771, 44469, 89853, 119313, 269559, 357939, 808677, 2426031, 7278093, 21834279]

約数ペア:

[(1, 21834279), (3, 7278093), (9, 2426031), (27, 808677), (61, 357939), (81, 269559), (183, 119313), (243, 89853), (491, 44469), (549, 39771), (729, 29951), (1473, 14823), (1647, 13257), (4419, 4941)]