21800482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7129}}^1$

素因数の和:7281

約数の個数: 16

約数和(自身を含む): 35935200

約数和(自身を除く): 14134718

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7129, 14258, 78419, 156838, 990931, 1981862, 10900241, 21800482]

約数ペア:

[(1, 21800482), (2, 10900241), (11, 1981862), (22, 990931), (139, 156838), (278, 78419), (1529, 14258), (3058, 7129)]