21282093

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1601}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 35320896

約数和(自身を除く): 14038803

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1601, 1899, 4431, 4803, 11207, 13293, 14409, 33621, 100863, 337811, 1013433, 2364677, 3040299, 7094031, 21282093]

約数ペア:

[(1, 21282093), (3, 7094031), (7, 3040299), (9, 2364677), (21, 1013433), (63, 337811), (211, 100863), (633, 33621), (1477, 14409), (1601, 13293), (1899, 11207), (4431, 4803)]