21203296

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4447}}^1$

素因数の和:4606

約数の個数: 24

約数和(自身を含む): 42033600

約数和(自身を除く): 20830304

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4447, 4768, 8894, 17788, 35576, 71152, 142304, 662603, 1325206, 2650412, 5300824, 10601648, 21203296]

約数ペア:

[(1, 21203296), (2, 10601648), (4, 5300824), (8, 2650412), (16, 1325206), (32, 662603), (149, 142304), (298, 71152), (596, 35576), (1192, 17788), (2384, 8894), (4447, 4768)]