21189525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{40361}}^1$

素因数の和:40381

約数の個数: 24

約数和(自身を含む): 40039104

約数和(自身を除く): 18849579

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 40361, 121083, 201805, 282527, 605415, 847581, 1009025, 1412635, 3027075, 4237905, 7063175, 21189525]

約数ペア:

[(1, 21189525), (3, 7063175), (5, 4237905), (7, 3027075), (15, 1412635), (21, 1009025), (25, 847581), (35, 605415), (75, 282527), (105, 201805), (175, 121083), (525, 40361)]