21174080

素因数分解:

$2^6\times 5^1\times {\mathrm{66169}}^1$

素因数の和:66186

約数の個数: 28

約数和(自身を含む): 50421540

約数和(自身を除く): 29247460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66169, 132338, 264676, 330845, 529352, 661690, 1058704, 1323380, 2117408, 2646760, 4234816, 5293520, 10587040, 21174080]

約数ペア:

[(1, 21174080), (2, 10587040), (4, 5293520), (5, 4234816), (8, 2646760), (10, 2117408), (16, 1323380), (20, 1058704), (32, 661690), (40, 529352), (64, 330845), (80, 264676), (160, 132338), (320, 66169)]