21697408

素因数分解:

$2^7\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 43439760

約数和(自身を除く): 21742352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 337, 503, 674, 1006, 1348, 2012, 2696, 4024, 5392, 8048, 10784, 16096, 21568, 32192, 43136, 64384, 169511, 339022, 678044, 1356088, 2712176, 5424352, 10848704, 21697408]

約数ペア:

[(1, 21697408), (2, 10848704), (4, 5424352), (8, 2712176), (16, 1356088), (32, 678044), (64, 339022), (128, 169511), (337, 64384), (503, 43136), (674, 32192), (1006, 21568), (1348, 16096), (2012, 10784), (2696, 8048), (4024, 5392)]