21470305

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 26498304

約数和(自身を除く): 5027999

約数列:

[1, 5, 47, 211, 235, 433, 1055, 2165, 9917, 20351, 49585, 91363, 101755, 456815, 4294061, 21470305]

約数ペア:

[(1, 21470305), (5, 4294061), (47, 456815), (211, 101755), (235, 91363), (433, 49585), (1055, 20351), (2165, 9917)]