21865587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10457}}^1$

素因数の和:10518

約数の個数: 16

約数和(自身を含む): 31624992

約数和(自身を除く): 9759405

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10457, 31371, 177769, 428737, 533307, 1286211, 7288529, 21865587]

約数ペア:

[(1, 21865587), (3, 7288529), (17, 1286211), (41, 533307), (51, 428737), (123, 177769), (697, 31371), (2091, 10457)]