21688893345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{254699}}^1$

素因数の和:255525

約数の個数: 32

約数和(自身を含む): 39708748800

約数和(自身を除く): 18019855455

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 811, 2433, 4055, 5677, 12165, 17031, 28385, 85155, 254699, 764097, 1273495, 1782893, 3820485, 5348679, 8914465, 26743395, 206560889, 619682667, 1032804445, 1445926223, 3098413335, 4337778669, 7229631115, 21688893345]

約数ペア:

[(1, 21688893345), (3, 7229631115), (5, 4337778669), (7, 3098413335), (15, 1445926223), (21, 1032804445), (35, 619682667), (105, 206560889), (811, 26743395), (2433, 8914465), (4055, 5348679), (5677, 3820485), (12165, 1782893), (17031, 1273495), (28385, 764097), (85155, 254699)]