21812924

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33871}}^1$

素因数の和:33905

約数の個数: 24

約数和(自身を含む): 45523968

約数和(自身を除く): 23711044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33871, 67742, 135484, 237097, 474194, 779033, 948388, 1558066, 3116132, 5453231, 10906462, 21812924]

約数ペア:

[(1, 21812924), (2, 10906462), (4, 5453231), (7, 3116132), (14, 1558066), (23, 948388), (28, 779033), (46, 474194), (92, 237097), (161, 135484), (322, 67742), (644, 33871)]