21406054

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12577}}^1$

素因数の和:12639

約数の個数: 16

約数和(自身を含む): 34413408

約数和(自身を除く): 13007354

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12577, 25154, 289271, 465349, 578542, 930698, 10703027, 21406054]

約数ペア:

[(1, 21406054), (2, 10703027), (23, 930698), (37, 578542), (46, 465349), (74, 289271), (851, 25154), (1702, 12577)]