21186608

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8887}}^1$

素因数の和:9044

約数の個数: 20

約数和(自身を含む): 41329200

約数和(自身を除く): 20142592

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8887, 17774, 35548, 71096, 142192, 1324163, 2648326, 5296652, 10593304, 21186608]

約数ペア:

[(1, 21186608), (2, 10593304), (4, 5296652), (8, 2648326), (16, 1324163), (149, 142192), (298, 71096), (596, 35548), (1192, 17774), (2384, 8887)]