21181822

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1155

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 11235458

約数列:

[1, 2, 89, 127, 178, 254, 937, 1874, 11303, 22606, 83393, 118999, 166786, 237998, 10590911, 21181822]

約数ペア:

[(1, 21181822), (2, 10590911), (89, 237998), (127, 166786), (178, 118999), (254, 83393), (937, 22606), (1874, 11303)]