21580494812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1036129}}^1$

素因数の和:1036301

約数の個数: 24

約数和(自身を含む): 38991644160

約数和(自身を除く): 17411149348

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 5207, 10414, 20828, 1036129, 2072258, 4144516, 42481289, 84962578, 131588383, 169925156, 263176766, 526353532, 5395123703, 10790247406, 21580494812]

約数ペア:

[(1, 21580494812), (2, 10790247406), (4, 5395123703), (41, 526353532), (82, 263176766), (127, 169925156), (164, 131588383), (254, 84962578), (508, 42481289), (5207, 4144516), (10414, 2072258), (20828, 1036129)]