21443445

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4217}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 37506456

約数和(自身を除く): 16063011

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 4217, 5085, 12651, 21085, 37953, 63255, 189765, 476521, 1429563, 2382605, 4288689, 7147815, 21443445]

約数ペア:

[(1, 21443445), (3, 7147815), (5, 4288689), (9, 2382605), (15, 1429563), (45, 476521), (113, 189765), (339, 63255), (565, 37953), (1017, 21085), (1695, 12651), (4217, 5085)]