21788897121

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{327559}}^1$

素因数の和:327973

約数の個数: 24

約数和(自身を含む): 33214584000

約数和(自身を除く): 11425686879

約数列:

[1, 3, 9, 19, 57, 171, 389, 1167, 3501, 7391, 22173, 66519, 327559, 982677, 2948031, 6223621, 18670863, 56012589, 127420451, 382261353, 1146784059, 2420988569, 7262965707, 21788897121]

約数ペア:

[(1, 21788897121), (3, 7262965707), (9, 2420988569), (19, 1146784059), (57, 382261353), (171, 127420451), (389, 56012589), (1167, 18670863), (3501, 6223621), (7391, 2948031), (22173, 982677), (66519, 327559)]