21635343

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{7219}}^1$

素因数の和:7268

約数の個数: 20

約数和(自身を含む): 33197560

約数和(自身を除く): 11562217

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 7219, 21657, 64971, 194913, 267103, 584739, 801309, 2403927, 7211781, 21635343]

約数ペア:

[(1, 21635343), (3, 7211781), (9, 2403927), (27, 801309), (37, 584739), (81, 267103), (111, 194913), (333, 64971), (999, 21657), (2997, 7219)]