20210292

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7907}}^1$

素因数の和:7988

約数の個数: 36

約数和(自身を含む): 51813216

約数和(自身を除く): 31602924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7907, 15814, 23721, 31628, 47442, 71163, 94884, 142326, 284652, 561397, 1122794, 1684191, 2245588, 3368382, 5052573, 6736764, 10105146, 20210292]

約数ペア:

[(1, 20210292), (2, 10105146), (3, 6736764), (4, 5052573), (6, 3368382), (9, 2245588), (12, 1684191), (18, 1122794), (36, 561397), (71, 284652), (142, 142326), (213, 94884), (284, 71163), (426, 47442), (639, 31628), (852, 23721), (1278, 15814), (2556, 7907)]