21904834

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82349}}^1$

素因数の和:82377

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 17623166

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82349, 164698, 576443, 1152886, 1564631, 3129262, 10952417, 21904834]

約数ペア:

[(1, 21904834), (2, 10952417), (7, 3129262), (14, 1564631), (19, 1152886), (38, 576443), (133, 164698), (266, 82349)]