21858584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 45057600

約数和(自身を除く): 23199016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1787, 3058, 3574, 6116, 7148, 12232, 14296, 19657, 39314, 78628, 157256, 248393, 496786, 993572, 1987144, 2732323, 5464646, 10929292, 21858584]

約数ペア:

[(1, 21858584), (2, 10929292), (4, 5464646), (8, 2732323), (11, 1987144), (22, 993572), (44, 496786), (88, 248393), (139, 157256), (278, 78628), (556, 39314), (1112, 19657), (1529, 14296), (1787, 12232), (3058, 7148), (3574, 6116)]