21431362

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2657}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 33331320

約数和(自身を除く): 11899958

約数列:

[1, 2, 37, 74, 109, 218, 2657, 4033, 5314, 8066, 98309, 196618, 289613, 579226, 10715681, 21431362]

約数ペア:

[(1, 21431362), (2, 10715681), (37, 579226), (74, 289613), (109, 196618), (218, 98309), (2657, 8066), (4033, 5314)]