21684597

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{3671}}^1$

素因数の和:3864

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 10041483

約数列:

[1, 3, 11, 33, 179, 537, 1969, 3671, 5907, 11013, 40381, 121143, 657109, 1971327, 7228199, 21684597]

約数ペア:

[(1, 21684597), (3, 7228199), (11, 1971327), (33, 657109), (179, 121143), (537, 40381), (1969, 11013), (3671, 5907)]