21601701

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{72733}}^1$

素因数の和:72753

約数の個数: 16

約数和(自身を含む): 34912320

約数和(自身を除く): 13310619

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 72733, 218199, 654597, 800063, 1963791, 2400189, 7200567, 21601701]

約数ペア:

[(1, 21601701), (3, 7200567), (9, 2400189), (11, 1963791), (27, 800063), (33, 654597), (99, 218199), (297, 72733)]