21092444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{991}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 39247488

約数和(自身を除く): 18155044

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 991, 1252, 1982, 3964, 5321, 10642, 16847, 21284, 33694, 67388, 310183, 620366, 1240732, 5273111, 10546222, 21092444]

約数ペア:

[(1, 21092444), (2, 10546222), (4, 5273111), (17, 1240732), (34, 620366), (68, 310183), (313, 67388), (626, 33694), (991, 21284), (1252, 16847), (1982, 10642), (3964, 5321)]