21810591

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1459}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 34619520

約数和(自身を除く): 12808929

約数列:

[1, 3, 9, 11, 33, 99, 151, 453, 1359, 1459, 1661, 4377, 4983, 13131, 14949, 16049, 48147, 144441, 220309, 660927, 1982781, 2423399, 7270197, 21810591]

約数ペア:

[(1, 21810591), (3, 7270197), (9, 2423399), (11, 1982781), (33, 660927), (99, 220309), (151, 144441), (453, 48147), (1359, 16049), (1459, 14949), (1661, 13131), (4377, 4983)]