21837584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33289}}^1$

素因数の和:33338

約数の個数: 20

約数和(自身を含む): 43343580

約数和(自身を除く): 21505996

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33289, 66578, 133156, 266312, 532624, 1364849, 2729698, 5459396, 10918792, 21837584]

約数ペア:

[(1, 21837584), (2, 10918792), (4, 5459396), (8, 2729698), (16, 1364849), (41, 532624), (82, 266312), (164, 133156), (328, 66578), (656, 33289)]