21956224

素因数分解:

$2^7\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 43956900

約数和(自身を除く): 22000676

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 337, 509, 674, 1018, 1348, 2036, 2696, 4072, 5392, 8144, 10784, 16288, 21568, 32576, 43136, 65152, 171533, 343066, 686132, 1372264, 2744528, 5489056, 10978112, 21956224]

約数ペア:

[(1, 21956224), (2, 10978112), (4, 5489056), (8, 2744528), (16, 1372264), (32, 686132), (64, 343066), (128, 171533), (337, 65152), (509, 43136), (674, 32576), (1018, 21568), (1348, 16288), (2036, 10784), (2696, 8144), (4072, 5392)]