21676156

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{1103}}^1$

素因数の和:1158

約数の個数: 24

約数和(自身を含む): 40340160

約数和(自身を除く): 18664004

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1103, 1156, 2206, 4412, 4913, 9826, 18751, 19652, 37502, 75004, 318767, 637534, 1275068, 5419039, 10838078, 21676156]

約数ペア:

[(1, 21676156), (2, 10838078), (4, 5419039), (17, 1275068), (34, 637534), (68, 318767), (289, 75004), (578, 37502), (1103, 19652), (1156, 18751), (2206, 9826), (4412, 4913)]