21608762

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25303}}^1$

素因数の和:25373

約数の個数: 16

約数和(自身を含む): 37652352

約数和(自身を除く): 16043590

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25303, 50606, 177121, 354242, 1543483, 3086966, 10804381, 21608762]

約数ペア:

[(1, 21608762), (2, 10804381), (7, 3086966), (14, 1543483), (61, 354242), (122, 177121), (427, 50606), (854, 25303)]