21025563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2237}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 30329376

約数和(自身を除く): 9303813

約数列:

[1, 3, 13, 39, 241, 723, 2237, 3133, 6711, 9399, 29081, 87243, 539117, 1617351, 7008521, 21025563]

約数ペア:

[(1, 21025563), (3, 7008521), (13, 1617351), (39, 539117), (241, 87243), (723, 29081), (2237, 9399), (3133, 6711)]