21242242

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25717}}^1$

素因数の和:25785

約数の個数: 16

約数和(自身を含む): 37033920

約数和(自身を除く): 15791678

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 25717, 51434, 180019, 360038, 1517303, 3034606, 10621121, 21242242]

約数ペア:

[(1, 21242242), (2, 10621121), (7, 3034606), (14, 1517303), (59, 360038), (118, 180019), (413, 51434), (826, 25717)]