21659538

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{49451}}^1$

素因数の和:49529

約数の個数: 16

約数和(自身を含む): 43913376

約数和(自身を除く): 22253838

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 49451, 98902, 148353, 296706, 3609923, 7219846, 10829769, 21659538]

約数ペア:

[(1, 21659538), (2, 10829769), (3, 7219846), (6, 3609923), (73, 296706), (146, 148353), (219, 98902), (438, 49451)]