21094975216

素因数分解:

$2^4\times 7^1\times {\mathrm{188347993}}^1$

素因数の和:188348008

約数の個数: 20

約数和(自身を含む): 46710302512

約数和(自身を除く): 25615327296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188347993, 376695986, 753391972, 1318435951, 1506783944, 2636871902, 3013567888, 5273743804, 10547487608, 21094975216]

約数ペア:

[(1, 21094975216), (2, 10547487608), (4, 5273743804), (7, 3013567888), (8, 2636871902), (14, 1506783944), (16, 1318435951), (28, 753391972), (56, 376695986), (112, 188347993)]