21916345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9719}}^1$

素因数の和:9776

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 7476935

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9719, 48595, 106909, 398479, 534545, 1992395, 4383269, 21916345]

約数ペア:

[(1, 21916345), (5, 4383269), (11, 1992395), (41, 534545), (55, 398479), (205, 106909), (451, 48595), (2255, 9719)]