21337563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5417}}^1$

素因数の和:5534

約数の個数: 16

約数和(自身を含む): 30947616

約数和(自身を除く): 9610053

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5417, 16251, 70421, 211263, 547117, 1641351, 7112521, 21337563]

約数ペア:

[(1, 21337563), (3, 7112521), (13, 1641351), (39, 547117), (101, 211263), (303, 70421), (1313, 16251), (3939, 5417)]