21636774

素因数分解:

$2^1\times 3^3\times {\mathrm{400681}}^1$

素因数の和:400692

約数の個数: 16

約数和(自身を含む): 48081840

約数和(自身を除く): 26445066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 400681, 801362, 1202043, 2404086, 3606129, 7212258, 10818387, 21636774]

約数ペア:

[(1, 21636774), (2, 10818387), (3, 7212258), (6, 3606129), (9, 2404086), (18, 1202043), (27, 801362), (54, 400681)]