21892418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1241

約数の個数: 16

約数和(自身を含む): 33760320

約数和(自身を除く): 11867902

約数列:

[1, 2, 43, 86, 277, 554, 919, 1838, 11911, 23822, 39517, 79034, 254563, 509126, 10946209, 21892418]

約数ペア:

[(1, 21892418), (2, 10946209), (43, 509126), (86, 254563), (277, 79034), (554, 39517), (919, 23822), (1838, 11911)]