21085251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1741}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 30770688

約数和(自身を除く): 9685437

約数列:

[1, 3, 11, 33, 367, 1101, 1741, 4037, 5223, 12111, 19151, 57453, 638947, 1916841, 7028417, 21085251]

約数ペア:

[(1, 21085251), (3, 7028417), (11, 1916841), (33, 638947), (367, 57453), (1101, 19151), (1741, 12111), (4037, 5223)]