2021988815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5251919}}^1$

素因数の和:5251942

約数の個数: 16

約数和(自身を含む): 3025105920

約数和(自身を除く): 1003117105

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 5251919, 26259595, 36763433, 57771109, 183817165, 288855545, 404397763, 2021988815]

約数ペア:

[(1, 2021988815), (5, 404397763), (7, 288855545), (11, 183817165), (35, 57771109), (55, 36763433), (77, 26259595), (385, 5251919)]