21246526

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65983}}^1$

素因数の和:66015

約数の個数: 16

約数和(自身を含む): 38006784

約数和(自身を除く): 16760258

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65983, 131966, 461881, 923762, 1517609, 3035218, 10623263, 21246526]

約数ペア:

[(1, 21246526), (2, 10623263), (7, 3035218), (14, 1517609), (23, 923762), (46, 461881), (161, 131966), (322, 65983)]