21913088

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:482

約数の個数: 40

約数和(自身を含む): 44259072

約数和(自身を除く): 22345984

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 337, 508, 512, 674, 1016, 1348, 2032, 2696, 4064, 5392, 8128, 10784, 16256, 21568, 32512, 42799, 43136, 65024, 85598, 86272, 171196, 172544, 342392, 684784, 1369568, 2739136, 5478272, 10956544, 21913088]

約数ペア:

[(1, 21913088), (2, 10956544), (4, 5478272), (8, 2739136), (16, 1369568), (32, 684784), (64, 342392), (127, 172544), (128, 171196), (254, 86272), (256, 85598), (337, 65024), (508, 43136), (512, 42799), (674, 32512), (1016, 21568), (1348, 16256), (2032, 10784), (2696, 8128), (4064, 5392)]