21519648

素因数分解:

$2^5\times 3^3\times {\mathrm{24907}}^1$

素因数の和:24926

約数の個数: 48

約数和(自身を含む): 62768160

約数和(自身を除く): 41248512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 24907, 49814, 74721, 99628, 149442, 199256, 224163, 298884, 398512, 448326, 597768, 672489, 797024, 896652, 1195536, 1344978, 1793304, 2391072, 2689956, 3586608, 5379912, 7173216, 10759824, 21519648]

約数ペア:

[(1, 21519648), (2, 10759824), (3, 7173216), (4, 5379912), (6, 3586608), (8, 2689956), (9, 2391072), (12, 1793304), (16, 1344978), (18, 1195536), (24, 896652), (27, 797024), (32, 672489), (36, 597768), (48, 448326), (54, 398512), (72, 298884), (96, 224163), (108, 199256), (144, 149442), (216, 99628), (288, 74721), (432, 49814), (864, 24907)]