21723339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28621}}^1$

素因数の和:28658

約数の個数: 16

約数和(自身を含む): 32972544

約数和(自身を除く): 11249205

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28621, 85863, 314831, 658283, 944493, 1974849, 7241113, 21723339]

約数ペア:

[(1, 21723339), (3, 7241113), (11, 1974849), (23, 944493), (33, 658283), (69, 314831), (253, 85863), (759, 28621)]