21959687

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 24913920

約数和(自身を除く): 2954233

約数列:

[1, 19, 23, 31, 437, 589, 713, 1621, 13547, 30799, 37283, 50251, 708377, 954769, 1155773, 21959687]

約数ペア:

[(1, 21959687), (19, 1155773), (23, 954769), (31, 708377), (437, 50251), (589, 37283), (713, 30799), (1621, 13547)]