21296643

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 30770688

約数和(自身を除く): 9474045

約数列:

[1, 3, 23, 29, 69, 87, 367, 667, 841, 1101, 2001, 2523, 8441, 10643, 19343, 25323, 31929, 58029, 244789, 308647, 734367, 925941, 7098881, 21296643]

約数ペア:

[(1, 21296643), (3, 7098881), (23, 925941), (29, 734367), (69, 308647), (87, 244789), (367, 58029), (667, 31929), (841, 25323), (1101, 19343), (2001, 10643), (2523, 8441)]