21992199

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 29982432

約数和(自身を除く): 7990233

約数列:

[1, 3, 73, 137, 219, 411, 733, 2199, 10001, 30003, 53509, 100421, 160527, 301263, 7330733, 21992199]

約数ペア:

[(1, 21992199), (3, 7330733), (73, 301263), (137, 160527), (219, 100421), (411, 53509), (733, 30003), (2199, 10001)]