21266133

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13570347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 839, 1207, 1491, 2517, 3621, 5873, 8449, 14263, 17619, 25347, 42789, 59569, 99841, 178707, 299523, 416983, 1012673, 1250949, 3038019, 7088711, 21266133]

約数ペア:

[(1, 21266133), (3, 7088711), (7, 3038019), (17, 1250949), (21, 1012673), (51, 416983), (71, 299523), (119, 178707), (213, 99841), (357, 59569), (497, 42789), (839, 25347), (1207, 17619), (1491, 14263), (2517, 8449), (3621, 5873)]