21616256

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1741}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 43532580

約数和(自身を除く): 21916324

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1741, 3104, 3482, 6208, 6964, 12416, 13928, 27856, 55712, 111424, 168877, 222848, 337754, 675508, 1351016, 2702032, 5404064, 10808128, 21616256]

約数ペア:

[(1, 21616256), (2, 10808128), (4, 5404064), (8, 2702032), (16, 1351016), (32, 675508), (64, 337754), (97, 222848), (128, 168877), (194, 111424), (388, 55712), (776, 27856), (1552, 13928), (1741, 12416), (3104, 6964), (3482, 6208)]