12181421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 15033600

約数和(自身を除く): 2852179

約数列:

[1, 7, 23, 29, 161, 203, 667, 2609, 4669, 18263, 60007, 75661, 420049, 529627, 1740203, 12181421]

約数ペア:

[(1, 12181421), (7, 1740203), (23, 529627), (29, 420049), (161, 75661), (203, 60007), (667, 18263), (2609, 4669)]