21084824

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64283}}^1$

素因数の和:64330

約数の個数: 16

約数和(自身を含む): 40498920

約数和(自身を除く): 19414096

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64283, 128566, 257132, 514264, 2635603, 5271206, 10542412, 21084824]

約数ペア:

[(1, 21084824), (2, 10542412), (4, 5271206), (8, 2635603), (41, 514264), (82, 257132), (164, 128566), (328, 64283)]