21494284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24763}}^1$

素因数の和:24805

約数の個数: 24

約数和(自身を含む): 44377088

約数和(自身を除く): 22882804

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24763, 49526, 99052, 173341, 346682, 693364, 767653, 1535306, 3070612, 5373571, 10747142, 21494284]

約数ペア:

[(1, 21494284), (2, 10747142), (4, 5373571), (7, 3070612), (14, 1535306), (28, 767653), (31, 693364), (62, 346682), (124, 173341), (217, 99052), (434, 49526), (868, 24763)]