21325317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1181}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 30713088

約数和(自身を除く): 9387771

約数列:

[1, 3, 13, 39, 463, 1181, 1389, 3543, 6019, 15353, 18057, 46059, 546803, 1640409, 7108439, 21325317]

約数ペア:

[(1, 21325317), (3, 7108439), (13, 1640409), (39, 546803), (463, 46059), (1181, 18057), (1389, 15353), (3543, 6019)]