21895836

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{13127}}^1$

素因数の和:13273

約数の個数: 24

約数和(自身を含む): 51461760

約数和(自身を除く): 29565924

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 13127, 26254, 39381, 52508, 78762, 157524, 1824653, 3649306, 5473959, 7298612, 10947918, 21895836]

約数ペア:

[(1, 21895836), (2, 10947918), (3, 7298612), (4, 5473959), (6, 3649306), (12, 1824653), (139, 157524), (278, 78762), (417, 52508), (556, 39381), (834, 26254), (1668, 13127)]