21401055

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36583}}^1$

素因数の和:36607

約数の個数: 24

約数和(自身を含む): 39949728

約数和(自身を除く): 18548673

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36583, 109749, 182915, 329247, 475579, 548745, 1426737, 1646235, 2377895, 4280211, 7133685, 21401055]

約数ペア:

[(1, 21401055), (3, 7133685), (5, 4280211), (9, 2377895), (13, 1646235), (15, 1426737), (39, 548745), (45, 475579), (65, 329247), (117, 182915), (195, 109749), (585, 36583)]