21522641

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3613}}^1$

素因数の和:3680

約数の個数: 16

約数和(自身を含む): 26367744

約数和(自身を除く): 4845103

約数列:

[1, 7, 23, 37, 161, 259, 851, 3613, 5957, 25291, 83099, 133681, 581693, 935767, 3074663, 21522641]

約数ペア:

[(1, 21522641), (7, 3074663), (23, 935767), (37, 581693), (161, 133681), (259, 83099), (851, 25291), (3613, 5957)]