21088089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{727}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 33388992

約数和(自身を除く): 12300903

約数列:

[1, 3, 9, 11, 33, 99, 293, 727, 879, 2181, 2637, 3223, 6543, 7997, 9669, 23991, 29007, 71973, 213011, 639033, 1917099, 2343121, 7029363, 21088089]

約数ペア:

[(1, 21088089), (3, 7029363), (9, 2343121), (11, 1917099), (33, 639033), (99, 213011), (293, 71973), (727, 29007), (879, 23991), (2181, 9669), (2637, 7997), (3223, 6543)]