21485739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38299}}^1$

素因数の和:38330

約数の個数: 16

約数和(自身を含む): 33091200

約数和(自身を除く): 11605461

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38299, 114897, 421289, 651083, 1263867, 1953249, 7161913, 21485739]

約数ペア:

[(1, 21485739), (3, 7161913), (11, 1953249), (17, 1263867), (33, 651083), (51, 421289), (187, 114897), (561, 38299)]