21659001

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79337}}^1$

素因数の和:79360

約数の個数: 16

約数和(自身を含む): 35543424

約数和(自身を除く): 13884423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79337, 238011, 555359, 1031381, 1666077, 3094143, 7219667, 21659001]

約数ペア:

[(1, 21659001), (3, 7219667), (7, 3094143), (13, 1666077), (21, 1031381), (39, 555359), (91, 238011), (273, 79337)]