21654661

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7079}}^1$

素因数の和:7128

約数の個数: 16

約数和(自身を含む): 27187200

約数和(自身を除く): 5532539

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 7079, 49553, 134501, 162817, 941507, 1139719, 3093523, 21654661]

約数ペア:

[(1, 21654661), (7, 3093523), (19, 1139719), (23, 941507), (133, 162817), (161, 134501), (437, 49553), (3059, 7079)]