21804374

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2095

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 11958586

約数列:

[1, 2, 41, 82, 139, 278, 1913, 3826, 5699, 11398, 78433, 156866, 265907, 531814, 10902187, 21804374]

約数ペア:

[(1, 21804374), (2, 10902187), (41, 531814), (82, 265907), (139, 156866), (278, 78433), (1913, 11398), (3826, 5699)]