21936663

素因数分解:

$3^4\times 7^2\times {\mathrm{5527}}^1$

素因数の和:5553

約数の個数: 30

約数和(自身を含む): 38126616

約数和(自身を除く): 16189953

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5527, 16581, 38689, 49743, 116067, 149229, 270823, 348201, 447687, 812469, 1044603, 2437407, 3133809, 7312221, 21936663]

約数ペア:

[(1, 21936663), (3, 7312221), (7, 3133809), (9, 2437407), (21, 1044603), (27, 812469), (49, 447687), (63, 348201), (81, 270823), (147, 149229), (189, 116067), (441, 49743), (567, 38689), (1323, 16581), (3969, 5527)]