21420384

素因数分解:

$2^5\times 3^1\times {\mathrm{223129}}^1$

素因数の和:223142

約数の個数: 24

約数和(自身を含む): 56228760

約数和(自身を除く): 34808376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 223129, 446258, 669387, 892516, 1338774, 1785032, 2677548, 3570064, 5355096, 7140128, 10710192, 21420384]

約数ペア:

[(1, 21420384), (2, 10710192), (3, 7140128), (4, 5355096), (6, 3570064), (8, 2677548), (12, 1785032), (16, 1338774), (24, 892516), (32, 669387), (48, 446258), (96, 223129)]