21467957

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 26282880

約数和(自身を除く): 4814923

約数列:

[1, 7, 17, 89, 119, 623, 1513, 2027, 10591, 14189, 34459, 180403, 241213, 1262821, 3066851, 21467957]

約数ペア:

[(1, 21467957), (7, 3066851), (17, 1262821), (89, 241213), (119, 180403), (623, 34459), (1513, 14189), (2027, 10591)]