21882105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{69467}}^1$

素因数の和:69485

約数の個数: 24

約数和(自身を含む): 43348032

約数和(自身を除く): 21465927

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 69467, 208401, 347335, 486269, 625203, 1042005, 1458807, 2431345, 3126015, 4376421, 7294035, 21882105]

約数ペア:

[(1, 21882105), (3, 7294035), (5, 4376421), (7, 3126015), (9, 2431345), (15, 1458807), (21, 1042005), (35, 625203), (45, 486269), (63, 347335), (105, 208401), (315, 69467)]