21266812

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33023}}^1$

素因数の和:33057

約数の個数: 24

約数和(自身を含む): 44384256

約数和(自身を除く): 23117444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33023, 66046, 132092, 231161, 462322, 759529, 924644, 1519058, 3038116, 5316703, 10633406, 21266812]

約数ペア:

[(1, 21266812), (2, 10633406), (4, 5316703), (7, 3038116), (14, 1519058), (23, 924644), (28, 759529), (46, 462322), (92, 231161), (161, 132092), (322, 66046), (644, 33023)]