21122268

素因数分解:

$2^2\times 3^1\times {\mathrm{659}}^1\times {\mathrm{2671}}^1$

素因数の和:3337

約数の個数: 24

約数和(自身を含む): 49378560

約数和(自身を除く): 28256292

約数列:

[1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2636, 2671, 3954, 5342, 7908, 8013, 10684, 16026, 32052, 1760189, 3520378, 5280567, 7040756, 10561134, 21122268]

約数ペア:

[(1, 21122268), (2, 10561134), (3, 7040756), (4, 5280567), (6, 3520378), (12, 1760189), (659, 32052), (1318, 16026), (1977, 10684), (2636, 8013), (2671, 7908), (3954, 5342)]