21609214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23957}}^1$

素因数の和:24011

約数の個数: 16

約数和(自身を含む): 36224496

約数和(自身を除く): 14615282

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23957, 47914, 263527, 527054, 982237, 1964474, 10804607, 21609214]

約数ペア:

[(1, 21609214), (2, 10804607), (11, 1964474), (22, 982237), (41, 527054), (82, 263527), (451, 47914), (902, 23957)]