21564284

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26557}}^1$

素因数の和:26597

約数の個数: 24

約数和(自身を含む): 44617440

約数和(自身を除く): 23053156

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26557, 53114, 106228, 185899, 371798, 743596, 770153, 1540306, 3080612, 5391071, 10782142, 21564284]

約数ペア:

[(1, 21564284), (2, 10782142), (4, 5391071), (7, 3080612), (14, 1540306), (28, 770153), (29, 743596), (58, 371798), (116, 185899), (203, 106228), (406, 53114), (812, 26557)]