21805738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4759}}^1$

素因数の和:4869

約数の個数: 16

約数和(自身を含む): 34272000

約数和(自身を除く): 12466262

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4582, 4759, 9518, 138011, 276022, 375961, 751922, 10902869, 21805738]

約数ペア:

[(1, 21805738), (2, 10902869), (29, 751922), (58, 375961), (79, 276022), (158, 138011), (2291, 9518), (4582, 4759)]