21140986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2769

約数の個数: 16

約数和(自身を含む): 32879880

約数和(自身を除く): 11738894

約数列:

[1, 2, 37, 74, 109, 218, 2621, 4033, 5242, 8066, 96977, 193954, 285689, 571378, 10570493, 21140986]

約数ペア:

[(1, 21140986), (2, 10570493), (37, 571378), (74, 285689), (109, 193954), (218, 96977), (2621, 8066), (4033, 5242)]