2121620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 4560864

約数和(自身を除く): 2439244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2467, 4934, 9868, 12335, 24670, 49340, 106081, 212162, 424324, 530405, 1060810, 2121620]

約数ペア:

[(1, 2121620), (2, 1060810), (4, 530405), (5, 424324), (10, 212162), (20, 106081), (43, 49340), (86, 24670), (172, 12335), (215, 9868), (430, 4934), (860, 2467)]