21509097

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14543}}^1$

素因数の和:14592

約数の個数: 16

約数和(自身を含む): 31415040

約数和(自身を除く): 9905943

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14543, 43629, 247231, 421747, 741693, 1265241, 7169699, 21509097]

約数ペア:

[(1, 21509097), (3, 7169699), (17, 1265241), (29, 741693), (51, 421747), (87, 247231), (493, 43629), (1479, 14543)]