21149984

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{5849}}^1$

素因数の和:5972

約数の個数: 24

約数和(自身を含む): 42014700

約数和(自身を除く): 20864716

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 5849, 11698, 23396, 46792, 93584, 187168, 660937, 1321874, 2643748, 5287496, 10574992, 21149984]

約数ペア:

[(1, 21149984), (2, 10574992), (4, 5287496), (8, 2643748), (16, 1321874), (32, 660937), (113, 187168), (226, 93584), (452, 46792), (904, 23396), (1808, 11698), (3616, 5849)]