21221695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22697}}^1$

素因数の和:22730

約数の個数: 16

約数和(自身を含む): 29416608

約数和(自身を除く): 8194913

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22697, 113485, 249667, 385849, 1248335, 1929245, 4244339, 21221695]

約数ペア:

[(1, 21221695), (5, 4244339), (11, 1929245), (17, 1248335), (55, 385849), (85, 249667), (187, 113485), (935, 22697)]