21303748

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4271}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 39473280

約数和(自身を除く): 18169532

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4271, 4988, 8542, 17084, 123859, 183653, 247718, 367306, 495436, 734612, 5325937, 10651874, 21303748]

約数ペア:

[(1, 21303748), (2, 10651874), (4, 5325937), (29, 734612), (43, 495436), (58, 367306), (86, 247718), (116, 183653), (172, 123859), (1247, 17084), (2494, 8542), (4271, 4988)]