21271086

素因数分解:

$2^1\times 3^4\times {\mathrm{131303}}^1$

素因数の和:131317

約数の個数: 20

約数和(自身を含む): 47663352

約数和(自身を除く): 26392266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131303, 262606, 393909, 787818, 1181727, 2363454, 3545181, 7090362, 10635543, 21271086]

約数ペア:

[(1, 21271086), (2, 10635543), (3, 7090362), (6, 3545181), (9, 2363454), (18, 1181727), (27, 787818), (54, 393909), (81, 262606), (162, 131303)]