21121278

素因数分解:

$2^1\times 3^1\times {\mathrm{1823}}^1\times {\mathrm{1931}}^1$

素因数の和:3759

約数の個数: 16

約数和(自身を含む): 42287616

約数和(自身を除く): 21166338

約数列:

[1, 2, 3, 6, 1823, 1931, 3646, 3862, 5469, 5793, 10938, 11586, 3520213, 7040426, 10560639, 21121278]

約数ペア:

[(1, 21121278), (2, 10560639), (3, 7040426), (6, 3520213), (1823, 11586), (1931, 10938), (3646, 5793), (3862, 5469)]