21980662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5231}}^1$

素因数の和:5435

約数の個数: 16

約数和(自身を含む): 36163584

約数和(自身を除く): 14182922

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 5231, 10462, 57541, 115082, 999121, 1998242, 10990331, 21980662]

約数ペア:

[(1, 21980662), (2, 10990331), (11, 1998242), (22, 999121), (191, 115082), (382, 57541), (2101, 10462), (4202, 5231)]