21568135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9918

約数の個数: 16

約数和(自身を含む): 28431360

約数和(自身を除く): 6863225

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9871, 49355, 187549, 227033, 937745, 1135165, 4313627, 21568135]

約数ペア:

[(1, 21568135), (5, 4313627), (19, 1135165), (23, 937745), (95, 227033), (115, 187549), (437, 49355), (2185, 9871)]