21027028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28111}}^1$

素因数の和:28143

約数の個数: 24

約数和(自身を含む): 42505344

約数和(自身を除く): 21478316

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28111, 56222, 112444, 309221, 477887, 618442, 955774, 1236884, 1911548, 5256757, 10513514, 21027028]

約数ペア:

[(1, 21027028), (2, 10513514), (4, 5256757), (11, 1911548), (17, 1236884), (22, 955774), (34, 618442), (44, 477887), (68, 309221), (187, 112444), (374, 56222), (748, 28111)]