21018016

素因数分解:

$2^5\times {\mathrm{337}}^1\times {\mathrm{1949}}^1$

素因数の和:2296

約数の個数: 24

約数和(自身を含む): 41523300

約数和(自身を除く): 20505284

約数列:

[1, 2, 4, 8, 16, 32, 337, 674, 1348, 1949, 2696, 3898, 5392, 7796, 10784, 15592, 31184, 62368, 656813, 1313626, 2627252, 5254504, 10509008, 21018016]

約数ペア:

[(1, 21018016), (2, 10509008), (4, 5254504), (8, 2627252), (16, 1313626), (32, 656813), (337, 62368), (674, 31184), (1348, 15592), (1949, 10784), (2696, 7796), (3898, 5392)]