21418214

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1235

約数の個数: 16

約数和(自身を含む): 33031680

約数和(自身を除く): 11613466

約数列:

[1, 2, 43, 86, 271, 542, 919, 1838, 11653, 23306, 39517, 79034, 249049, 498098, 10709107, 21418214]

約数ペア:

[(1, 21418214), (2, 10709107), (43, 498098), (86, 249049), (271, 79034), (542, 39517), (919, 23306), (1838, 11653)]