21492002

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 39705600

約数和(自身を除く): 18213598

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 1879, 3758, 5719, 11438, 13153, 26306, 35701, 71402, 80797, 161594, 249907, 499814, 565579, 1131158, 1535143, 3070286, 10746001, 21492002]

約数ペア:

[(1, 21492002), (2, 10746001), (7, 3070286), (14, 1535143), (19, 1131158), (38, 565579), (43, 499814), (86, 249907), (133, 161594), (266, 80797), (301, 71402), (602, 35701), (817, 26306), (1634, 13153), (1879, 11438), (3758, 5719)]