21726064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33119}}^1$

素因数の和:33168

約数の個数: 20

約数和(自身を含む): 43122240

約数和(自身を除く): 21396176

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33119, 66238, 132476, 264952, 529904, 1357879, 2715758, 5431516, 10863032, 21726064]

約数ペア:

[(1, 21726064), (2, 10863032), (4, 5431516), (8, 2715758), (16, 1357879), (41, 529904), (82, 264952), (164, 132476), (328, 66238), (656, 33119)]