21884744

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4391}}^1$

素因数の和:4493

約数の個数: 32

約数和(自身を含む): 47433600

約数和(自身を除く): 25548856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4391, 4984, 8782, 17564, 30737, 35128, 61474, 122948, 245896, 390799, 781598, 1563196, 2735593, 3126392, 5471186, 10942372, 21884744]

約数ペア:

[(1, 21884744), (2, 10942372), (4, 5471186), (7, 3126392), (8, 2735593), (14, 1563196), (28, 781598), (56, 390799), (89, 245896), (178, 122948), (356, 61474), (623, 35128), (712, 30737), (1246, 17564), (2492, 8782), (4391, 4984)]