21420444

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61553}}^1$

素因数の和:61589

約数の個数: 24

約数和(自身を含む): 51705360

約数和(自身を除く): 30284916

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61553, 123106, 184659, 246212, 369318, 738636, 1785037, 3570074, 5355111, 7140148, 10710222, 21420444]

約数ペア:

[(1, 21420444), (2, 10710222), (3, 7140148), (4, 5355111), (6, 3570074), (12, 1785037), (29, 738636), (58, 369318), (87, 246212), (116, 184659), (174, 123106), (348, 61553)]