21093737

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3541}}^1$

素因数の和:3608

約数の個数: 16

約数和(自身を含む): 25842432

約数和(自身を除く): 4748695

約数列:

[1, 7, 23, 37, 161, 259, 851, 3541, 5957, 24787, 81443, 131017, 570101, 917119, 3013391, 21093737]

約数ペア:

[(1, 21093737), (7, 3013391), (23, 917119), (37, 570101), (161, 131017), (259, 81443), (851, 24787), (3541, 5957)]