21911141

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 26557440

約数和(自身を除く): 4646299

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2729, 8029, 19103, 84599, 100973, 592193, 706811, 3130163, 21911141]

約数ペア:

[(1, 21911141), (7, 3130163), (31, 706811), (37, 592193), (217, 100973), (259, 84599), (1147, 19103), (2729, 8029)]