21986775

素因数分解:

$3^3\times 5^2\times {\mathrm{32573}}^1$

素因数の和:32592

約数の個数: 24

約数和(自身を含む): 40391760

約数和(自身を除く): 18404985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32573, 97719, 162865, 293157, 488595, 814325, 879471, 1465785, 2442975, 4397355, 7328925, 21986775]

約数ペア:

[(1, 21986775), (3, 7328925), (5, 4397355), (9, 2442975), (15, 1465785), (25, 879471), (27, 814325), (45, 488595), (75, 293157), (135, 162865), (225, 97719), (675, 32573)]