21683780

素因数分解:

$2^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1847}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 45638208

約数和(自身を除く): 23954428

約数列:

[1, 2, 4, 5, 10, 20, 587, 1174, 1847, 2348, 2935, 3694, 5870, 7388, 9235, 11740, 18470, 36940, 1084189, 2168378, 4336756, 5420945, 10841890, 21683780]

約数ペア:

[(1, 21683780), (2, 10841890), (4, 5420945), (5, 4336756), (10, 2168378), (20, 1084189), (587, 36940), (1174, 18470), (1847, 11740), (2348, 9235), (2935, 7388), (3694, 5870)]