21109756

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{46703}}^1$

素因数の和:46820

約数の個数: 12

約数和(自身を含む): 37269792

約数和(自身を除く): 16160036

約数列:

[1, 2, 4, 113, 226, 452, 46703, 93406, 186812, 5277439, 10554878, 21109756]

約数ペア:

[(1, 21109756), (2, 10554878), (4, 5277439), (113, 186812), (226, 93406), (452, 46703)]