21735728

素因数分解:

$2^4\times 7^1\times {\mathrm{194069}}^1$

素因数の和:194084

約数の個数: 20

約数和(自身を含む): 48129360

約数和(自身を除く): 26393632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194069, 388138, 776276, 1358483, 1552552, 2716966, 3105104, 5433932, 10867864, 21735728]

約数ペア:

[(1, 21735728), (2, 10867864), (4, 5433932), (7, 3105104), (8, 2716966), (14, 1552552), (16, 1358483), (28, 776276), (56, 388138), (112, 194069)]