21396663

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7013}}^1$

素因数の和:7135

約数の個数: 16

約数和(自身を含む): 31983840

約数和(自身を除く): 10587177

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7013, 21039, 63117, 189351, 792469, 2377407, 7132221, 21396663]

約数ペア:

[(1, 21396663), (3, 7132221), (9, 2377407), (27, 792469), (113, 189351), (339, 63117), (1017, 21039), (3051, 7013)]