21141652

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20407}}^1$

素因数の和:20455

約数の個数: 24

約数和(自身を含む): 43428224

約数和(自身を除く): 22286572

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20407, 40814, 81628, 142849, 285698, 571396, 755059, 1510118, 3020236, 5285413, 10570826, 21141652]

約数ペア:

[(1, 21141652), (2, 10570826), (4, 5285413), (7, 3020236), (14, 1510118), (28, 755059), (37, 571396), (74, 285698), (148, 142849), (259, 81628), (518, 40814), (1036, 20407)]