21916295

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5081977

約数列:

[1, 5, 53, 191, 265, 433, 955, 2165, 10123, 22949, 50615, 82703, 114745, 413515, 4383259, 21916295]

約数ペア:

[(1, 21916295), (5, 4383259), (53, 413515), (191, 114745), (265, 82703), (433, 50615), (955, 22949), (2165, 10123)]