21122014

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1307

約数の個数: 16

約数和(自身を含む): 32367600

約数和(自身を除く): 11245586

約数列:

[1, 2, 89, 107, 178, 214, 1109, 2218, 9523, 19046, 98701, 118663, 197402, 237326, 10561007, 21122014]

約数ペア:

[(1, 21122014), (2, 10561007), (89, 237326), (107, 197402), (178, 118663), (214, 98701), (1109, 19046), (2218, 9523)]