21646256

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2207}}^1$

素因数の和:2828

約数の個数: 20

約数和(自身を含む): 42027072

約数和(自身を除く): 20380816

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2207, 2452, 4414, 4904, 8828, 9808, 17656, 35312, 1352891, 2705782, 5411564, 10823128, 21646256]

約数ペア:

[(1, 21646256), (2, 10823128), (4, 5411564), (8, 2705782), (16, 1352891), (613, 35312), (1226, 17656), (2207, 9808), (2452, 8828), (4414, 4904)]