21198208

素因数分解:

$2^7\times {\mathrm{165611}}^1$

素因数の和:165625

約数の個数: 16

約数和(自身を含む): 42231060

約数和(自身を除く): 21032852

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165611, 331222, 662444, 1324888, 2649776, 5299552, 10599104, 21198208]

約数ペア:

[(1, 21198208), (2, 10599104), (4, 5299552), (8, 2649776), (16, 1324888), (32, 662444), (64, 331222), (128, 165611)]