21253410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2207}}^1$

素因数の和:2327

約数の個数: 48

約数和(自身を含む): 55800576

約数和(自身を除く): 34547166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2207, 3210, 4414, 4815, 6621, 9630, 11035, 13242, 19863, 22070, 33105, 39726, 66210, 99315, 198630, 236149, 472298, 708447, 1180745, 1416894, 2125341, 2361490, 3542235, 4250682, 7084470, 10626705, 21253410]

約数ペア:

[(1, 21253410), (2, 10626705), (3, 7084470), (5, 4250682), (6, 3542235), (9, 2361490), (10, 2125341), (15, 1416894), (18, 1180745), (30, 708447), (45, 472298), (90, 236149), (107, 198630), (214, 99315), (321, 66210), (535, 39726), (642, 33105), (963, 22070), (1070, 19863), (1605, 13242), (1926, 11035), (2207, 9630), (3210, 6621), (4414, 4815)]