12421437

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1787}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 18995712

約数和(自身を除く): 6574275

約数列:

[1, 3, 7, 21, 331, 993, 1787, 2317, 5361, 6951, 12509, 37527, 591497, 1774491, 4140479, 12421437]

約数ペア:

[(1, 12421437), (3, 4140479), (7, 1774491), (21, 591497), (331, 37527), (993, 12509), (1787, 6951), (2317, 5361)]