21076216

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6379}}^1$

素因数の和:6451

約数の個数: 32

約数和(自身を含む): 45936000

約数和(自身を除く): 24859784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6379, 12758, 25516, 44653, 51032, 89306, 178612, 357224, 376361, 752722, 1505444, 2634527, 3010888, 5269054, 10538108, 21076216]

約数ペア:

[(1, 21076216), (2, 10538108), (4, 5269054), (7, 3010888), (8, 2634527), (14, 1505444), (28, 752722), (56, 376361), (59, 357224), (118, 178612), (236, 89306), (413, 51032), (472, 44653), (826, 25516), (1652, 12758), (3304, 6379)]