21327165

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 16804035

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 661, 717, 1195, 1983, 2151, 3305, 3585, 5949, 6453, 9915, 10755, 17847, 29745, 32265, 89235, 157979, 473937, 789895, 1421811, 2369685, 4265433, 7109055, 21327165]

約数ペア:

[(1, 21327165), (3, 7109055), (5, 4265433), (9, 2369685), (15, 1421811), (27, 789895), (45, 473937), (135, 157979), (239, 89235), (661, 32265), (717, 29745), (1195, 17847), (1983, 10755), (2151, 9915), (3305, 6453), (3585, 5949)]