21882009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{853}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 30989952

約数和(自身を除く): 9107943

約数列:

[1, 3, 17, 51, 503, 853, 1509, 2559, 8551, 14501, 25653, 43503, 429059, 1287177, 7294003, 21882009]

約数ペア:

[(1, 21882009), (3, 7294003), (17, 1287177), (51, 429059), (503, 43503), (853, 25653), (1509, 14501), (2559, 8551)]