2021170085

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 2809755648

約数和(自身を除く): 788585563

約数列:

[1, 5, 11, 31, 55, 97, 101, 121, 155, 341, 485, 505, 605, 1067, 1111, 1331, 1705, 3007, 3131, 3751, 5335, 5555, 6655, 9797, 11737, 12221, 15035, 15655, 18755, 33077, 34441, 41261, 48985, 58685, 61105, 107767, 129107, 134431, 165385, 172205, 206305, 303707, 363847, 378851, 538835, 645535, 672155, 1185437, 1518535, 1819235, 1894255, 3340777, 4002317, 4167361, 5927185, 13039807, 16703885, 20011585, 20836805, 36748547, 65199035, 183742735, 404234017, 2021170085]

約数ペア:

[(1, 2021170085), (5, 404234017), (11, 183742735), (31, 65199035), (55, 36748547), (97, 20836805), (101, 20011585), (121, 16703885), (155, 13039807), (341, 5927185), (485, 4167361), (505, 4002317), (605, 3340777), (1067, 1894255), (1111, 1819235), (1331, 1518535), (1705, 1185437), (3007, 672155), (3131, 645535), (3751, 538835), (5335, 378851), (5555, 363847), (6655, 303707), (9797, 206305), (11737, 172205), (12221, 165385), (15035, 134431), (15655, 129107), (18755, 107767), (33077, 61105), (34441, 58685), (41261, 48985)]