21038319

素因数分解:

$3^3\times {\mathrm{373}}^1\times {\mathrm{2089}}^1$

素因数の和:2471

約数の個数: 16

約数和(自身を含む): 31266400

約数和(自身を除く): 10228081

約数列:

[1, 3, 9, 27, 373, 1119, 2089, 3357, 6267, 10071, 18801, 56403, 779197, 2337591, 7012773, 21038319]

約数ペア:

[(1, 21038319), (3, 7012773), (9, 2337591), (27, 779197), (373, 56403), (1119, 18801), (2089, 10071), (3357, 6267)]