21673816

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{12149}}^1$

素因数の和:12378

約数の個数: 16

約数和(自身を含む): 40824000

約数和(自身を除く): 19150184

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 12149, 24298, 48596, 97192, 2709227, 5418454, 10836908, 21673816]

約数ペア:

[(1, 21673816), (2, 10836908), (4, 5418454), (8, 2709227), (223, 97192), (446, 48596), (892, 24298), (1784, 12149)]