21021465

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9281}}^1$

素因数の和:9440

約数の個数: 16

約数和(自身を含む): 33860736

約数和(自身を除く): 12839271

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9281, 27843, 46405, 139215, 1401431, 4204293, 7007155, 21021465]

約数ペア:

[(1, 21021465), (3, 7007155), (5, 4204293), (15, 1401431), (151, 139215), (453, 46405), (755, 27843), (2265, 9281)]