21606195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 15891405

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 619, 895, 1857, 2327, 2685, 3095, 6981, 8047, 9285, 11635, 24141, 34905, 40235, 110801, 120705, 332403, 554005, 1440413, 1662015, 4321239, 7202065, 21606195]

約数ペア:

[(1, 21606195), (3, 7202065), (5, 4321239), (13, 1662015), (15, 1440413), (39, 554005), (65, 332403), (179, 120705), (195, 110801), (537, 40235), (619, 34905), (895, 24141), (1857, 11635), (2327, 9285), (2685, 8047), (3095, 6981)]