21672784

素因数分解:

$2^4\times 7^1\times {\mathrm{193507}}^1$

素因数の和:193522

約数の個数: 20

約数和(自身を含む): 47989984

約数和(自身を除く): 26317200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193507, 387014, 774028, 1354549, 1548056, 2709098, 3096112, 5418196, 10836392, 21672784]

約数ペア:

[(1, 21672784), (2, 10836392), (4, 5418196), (7, 3096112), (8, 2709098), (14, 1548056), (16, 1354549), (28, 774028), (56, 387014), (112, 193507)]