21399936160

素因数分解:

$2^5\times 5^1\times {\mathrm{133749601}}^1$

素因数の和:133749616

約数の個数: 24

約数和(自身を含む): 50557349556

約数和(自身を除く): 29157413396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133749601, 267499202, 534998404, 668748005, 1069996808, 1337496010, 2139993616, 2674992020, 4279987232, 5349984040, 10699968080, 21399936160]

約数ペア:

[(1, 21399936160), (2, 10699968080), (4, 5349984040), (5, 4279987232), (8, 2674992020), (10, 2139993616), (16, 1337496010), (20, 1069996808), (32, 668748005), (40, 534998404), (80, 267499202), (160, 133749601)]