21710648

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66191}}^1$

素因数の和:66238

約数の個数: 16

約数和(自身を含む): 41700960

約数和(自身を除く): 19990312

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66191, 132382, 264764, 529528, 2713831, 5427662, 10855324, 21710648]

約数ペア:

[(1, 21710648), (2, 10855324), (4, 5427662), (8, 2713831), (41, 529528), (82, 264764), (164, 132382), (328, 66191)]