21802256

素因数分解:

$2^4\times 7^2\times {\mathrm{27809}}^1$

素因数の和:27831

約数の個数: 30

約数和(自身を含む): 49140270

約数和(自身を除く): 27338014

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27809, 55618, 111236, 194663, 222472, 389326, 444944, 778652, 1362641, 1557304, 2725282, 3114608, 5450564, 10901128, 21802256]

約数ペア:

[(1, 21802256), (2, 10901128), (4, 5450564), (7, 3114608), (8, 2725282), (14, 1557304), (16, 1362641), (28, 778652), (49, 444944), (56, 389326), (98, 222472), (112, 194663), (196, 111236), (392, 55618), (784, 27809)]