2021091275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4373}}^1$

素因数の和:4548

約数の個数: 48

約数和(自身を含む): 3037305600

約数和(自身を除く): 1016214325

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 139, 175, 475, 665, 695, 973, 2641, 3325, 3475, 4373, 4865, 13205, 18487, 21865, 24325, 30611, 66025, 83087, 92435, 109325, 153055, 415435, 462175, 581609, 607847, 765275, 2077175, 2908045, 3039235, 4254929, 11549093, 14540225, 15196175, 21274645, 57745465, 80843651, 106373225, 288727325, 404218255, 2021091275]

約数ペア:

[(1, 2021091275), (5, 404218255), (7, 288727325), (19, 106373225), (25, 80843651), (35, 57745465), (95, 21274645), (133, 15196175), (139, 14540225), (175, 11549093), (475, 4254929), (665, 3039235), (695, 2908045), (973, 2077175), (2641, 765275), (3325, 607847), (3475, 581609), (4373, 462175), (4865, 415435), (13205, 153055), (18487, 109325), (21865, 92435), (24325, 83087), (30611, 66025)]