21382676

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40193}}^1$

素因数の和:40223

約数の個数: 24

約数和(自身を含む): 45017280

約数和(自身を除く): 23634604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40193, 80386, 160772, 281351, 562702, 763667, 1125404, 1527334, 3054668, 5345669, 10691338, 21382676]

約数ペア:

[(1, 21382676), (2, 10691338), (4, 5345669), (7, 3054668), (14, 1527334), (19, 1125404), (28, 763667), (38, 562702), (76, 281351), (133, 160772), (266, 80386), (532, 40193)]