21026804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4583}}^1$

素因数の和:4655

約数の個数: 24

約数和(自身を含む): 39019008

約数和(自身を除く): 17992204

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4583, 4588, 9166, 18332, 142073, 169571, 284146, 339142, 568292, 678284, 5256701, 10513402, 21026804]

約数ペア:

[(1, 21026804), (2, 10513402), (4, 5256701), (31, 678284), (37, 568292), (62, 339142), (74, 284146), (124, 169571), (148, 142073), (1147, 18332), (2294, 9166), (4583, 4588)]