21964239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 34866000

約数和(自身を除く): 12901761

約数列:

[1, 3, 9, 11, 33, 99, 149, 447, 1341, 1489, 1639, 4467, 4917, 13401, 14751, 16379, 49137, 147411, 221861, 665583, 1996749, 2440471, 7321413, 21964239]

約数ペア:

[(1, 21964239), (3, 7321413), (9, 2440471), (11, 1996749), (33, 665583), (99, 221861), (149, 147411), (447, 49137), (1341, 16379), (1489, 14751), (1639, 13401), (4467, 4917)]