21961912

素因数分解:

$2^3\times 7^1\times {\mathrm{392177}}^1$

素因数の和:392190

約数の個数: 16

約数和(自身を含む): 47061360

約数和(自身を除く): 25099448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 392177, 784354, 1568708, 2745239, 3137416, 5490478, 10980956, 21961912]

約数ペア:

[(1, 21961912), (2, 10980956), (4, 5490478), (7, 3137416), (8, 2745239), (14, 1568708), (28, 784354), (56, 392177)]