21516928

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1733}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 43332660

約数和(自身を除く): 21815732

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1733, 3104, 3466, 6208, 6932, 12416, 13864, 27728, 55456, 110912, 168101, 221824, 336202, 672404, 1344808, 2689616, 5379232, 10758464, 21516928]

約数ペア:

[(1, 21516928), (2, 10758464), (4, 5379232), (8, 2689616), (16, 1344808), (32, 672404), (64, 336202), (97, 221824), (128, 168101), (194, 110912), (388, 55456), (776, 27728), (1552, 13864), (1733, 12416), (3104, 6932), (3466, 6208)]