21808489009

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{259159}}^1$

素因数の和:259324

約数の個数: 16

約数和(自身を含む): 23718323200

約数和(自身を除く): 1909834191

約数列:

[1, 19, 43, 103, 817, 1957, 4429, 84151, 259159, 4924021, 11143837, 26693377, 211732903, 507174163, 1147815211, 21808489009]

約数ペア:

[(1, 21808489009), (19, 1147815211), (43, 507174163), (103, 211732903), (817, 26693377), (1957, 11143837), (4429, 4924021), (84151, 259159)]