21443408

素因数分解:

$2^4\times 7^1\times {\mathrm{191459}}^1$

素因数の和:191474

約数の個数: 20

約数和(自身を含む): 47482080

約数和(自身を除く): 26038672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191459, 382918, 765836, 1340213, 1531672, 2680426, 3063344, 5360852, 10721704, 21443408]

約数ペア:

[(1, 21443408), (2, 10721704), (4, 5360852), (7, 3063344), (8, 2680426), (14, 1531672), (16, 1340213), (28, 765836), (56, 382918), (112, 191459)]