21009535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13009}}^1$

素因数の和:13050

約数の個数: 16

約数和(自身を含む): 28101600

約数和(自身を除く): 7092065

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 13009, 65045, 221153, 247171, 1105765, 1235855, 4201907, 21009535]

約数ペア:

[(1, 21009535), (5, 4201907), (17, 1235855), (19, 1105765), (85, 247171), (95, 221153), (323, 65045), (1615, 13009)]