21024289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{631}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 24845184

約数和(自身を除く): 3820895

約数列:

[1, 11, 13, 143, 233, 631, 2563, 3029, 6941, 8203, 33319, 90233, 147023, 1617253, 1911299, 21024289]

約数ペア:

[(1, 21024289), (11, 1911299), (13, 1617253), (143, 147023), (233, 90233), (631, 33319), (2563, 8203), (3029, 6941)]