21672616

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20401

約数の個数: 32

約数和(自身を含む): 48888000

約数和(自身を除く): 27215384

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20369, 40738, 81476, 142583, 162952, 285166, 387011, 570332, 774022, 1140664, 1548044, 2709077, 3096088, 5418154, 10836308, 21672616]

約数ペア:

[(1, 21672616), (2, 10836308), (4, 5418154), (7, 3096088), (8, 2709077), (14, 1548044), (19, 1140664), (28, 774022), (38, 570332), (56, 387011), (76, 285166), (133, 162952), (152, 142583), (266, 81476), (532, 40738), (1064, 20369)]