21416229

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 32242392

約数和(自身を除く): 10826163

約数列:

[1, 3, 9, 37, 73, 111, 219, 333, 657, 881, 2643, 2701, 7929, 8103, 24309, 32597, 64313, 97791, 192939, 293373, 578817, 2379581, 7138743, 21416229]

約数ペア:

[(1, 21416229), (3, 7138743), (9, 2379581), (37, 578817), (73, 293373), (111, 192939), (219, 97791), (333, 64313), (657, 32597), (881, 24309), (2643, 8103), (2701, 7929)]