21236528078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1\times {\mathrm{25439}}^1$

素因数の和:26072

約数の個数: 32

約数和(自身を含む): 34574791680

約数和(自身を除く): 13338263602

約数列:

[1, 2, 17, 34, 43, 86, 571, 731, 1142, 1462, 9707, 19414, 24553, 25439, 49106, 50878, 417401, 432463, 834802, 864926, 1093877, 2187754, 14525669, 18595909, 29051338, 37191818, 246936373, 493872746, 624603767, 1249207534, 10618264039, 21236528078]

約数ペア:

[(1, 21236528078), (2, 10618264039), (17, 1249207534), (34, 624603767), (43, 493872746), (86, 246936373), (571, 37191818), (731, 29051338), (1142, 18595909), (1462, 14525669), (9707, 2187754), (19414, 1093877), (24553, 864926), (25439, 834802), (49106, 432463), (50878, 417401)]