21221282012

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{598187}}^1$

素因数の和:598386

約数の個数: 36

約数和(自身を含む): 43439216184

約数和(自身を除く): 22217934172

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 724, 1267, 2534, 5068, 8869, 17738, 35476, 598187, 1196374, 2392748, 4187309, 8374618, 16749236, 29311163, 58622326, 108271847, 117244652, 216543694, 433087388, 757902929, 1515805858, 3031611716, 5305320503, 10610641006, 21221282012]

約数ペア:

[(1, 21221282012), (2, 10610641006), (4, 5305320503), (7, 3031611716), (14, 1515805858), (28, 757902929), (49, 433087388), (98, 216543694), (181, 117244652), (196, 108271847), (362, 58622326), (724, 29311163), (1267, 16749236), (2534, 8374618), (5068, 4187309), (8869, 2392748), (17738, 1196374), (35476, 598187)]