21776961

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 7771839

約数列:

[1, 3, 107, 179, 321, 379, 537, 1137, 19153, 40553, 57459, 67841, 121659, 203523, 7258987, 21776961]

約数ペア:

[(1, 21776961), (3, 7258987), (107, 203523), (179, 121659), (321, 67841), (379, 57459), (537, 40553), (1137, 19153)]