21770133

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 36713472

約数和(自身を除く): 14943339

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1291, 1533, 2409, 3873, 5621, 9037, 14201, 16863, 27111, 42603, 94243, 99407, 282729, 298221, 659701, 1036673, 1979103, 3110019, 7256711, 21770133]

約数ペア:

[(1, 21770133), (3, 7256711), (7, 3110019), (11, 1979103), (21, 1036673), (33, 659701), (73, 298221), (77, 282729), (219, 99407), (231, 94243), (511, 42603), (803, 27111), (1291, 16863), (1533, 14201), (2409, 9037), (3873, 5621)]