21042099

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6689

約数の個数: 24

約数和(自身を含む): 33949552

約数和(自身を除く): 12907453

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6661, 19983, 59949, 86593, 179847, 259779, 539541, 779337, 1618623, 2338011, 7014033, 21042099]

約数ペア:

[(1, 21042099), (3, 7014033), (9, 2338011), (13, 1618623), (27, 779337), (39, 539541), (81, 259779), (117, 179847), (243, 86593), (351, 59949), (1053, 19983), (3159, 6661)]