21962224

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33479}}^1$

素因数の和:33528

約数の個数: 20

約数和(自身を含む): 43590960

約数和(自身を除く): 21628736

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33479, 66958, 133916, 267832, 535664, 1372639, 2745278, 5490556, 10981112, 21962224]

約数ペア:

[(1, 21962224), (2, 10981112), (4, 5490556), (8, 2745278), (16, 1372639), (41, 535664), (82, 267832), (164, 133916), (328, 66958), (656, 33479)]