21949329

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{9157}}^1$

素因数の和:9224

約数の個数: 16

約数和(自身を含む): 31650048

約数和(自身を除く): 9700719

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 9157, 27471, 155669, 430379, 467007, 1291137, 7316443, 21949329]

約数ペア:

[(1, 21949329), (3, 7316443), (17, 1291137), (47, 467007), (51, 430379), (141, 155669), (799, 27471), (2397, 9157)]