21064329

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 35970480

約数和(自身を除く): 14906151

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 1259, 1287, 1521, 1859, 3777, 5577, 11331, 13849, 16367, 16731, 41547, 49101, 124641, 147303, 180037, 212771, 540111, 638313, 1620333, 1914939, 2340481, 7021443, 21064329]

約数ペア:

[(1, 21064329), (3, 7021443), (9, 2340481), (11, 1914939), (13, 1620333), (33, 638313), (39, 540111), (99, 212771), (117, 180037), (143, 147303), (169, 124641), (429, 49101), (507, 41547), (1259, 16731), (1287, 16367), (1521, 13849), (1859, 11331), (3777, 5577)]