21032235

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 43490304

約数和(自身を除く): 22458069

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2903, 7245, 8709, 14515, 20321, 26127, 43545, 60963, 66769, 101605, 130635, 182889, 200307, 304815, 333845, 467383, 600921, 914445, 1001535, 1402149, 2336915, 3004605, 4206447, 7010745, 21032235]

約数ペア:

[(1, 21032235), (3, 7010745), (5, 4206447), (7, 3004605), (9, 2336915), (15, 1402149), (21, 1001535), (23, 914445), (35, 600921), (45, 467383), (63, 333845), (69, 304815), (105, 200307), (115, 182889), (161, 130635), (207, 101605), (315, 66769), (345, 60963), (483, 43545), (805, 26127), (1035, 20321), (1449, 14515), (2415, 8709), (2903, 7245)]