21432264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 61645440

約数和(自身を除く): 40213176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 193, 386, 579, 661, 772, 1158, 1322, 1351, 1544, 1983, 2316, 2644, 2702, 3966, 4053, 4627, 4632, 5288, 5404, 7932, 8106, 9254, 10808, 13881, 15864, 16212, 18508, 27762, 32424, 37016, 55524, 111048, 127573, 255146, 382719, 510292, 765438, 893011, 1020584, 1530876, 1786022, 2679033, 3061752, 3572044, 5358066, 7144088, 10716132, 21432264]

約数ペア:

[(1, 21432264), (2, 10716132), (3, 7144088), (4, 5358066), (6, 3572044), (7, 3061752), (8, 2679033), (12, 1786022), (14, 1530876), (21, 1020584), (24, 893011), (28, 765438), (42, 510292), (56, 382719), (84, 255146), (168, 127573), (193, 111048), (386, 55524), (579, 37016), (661, 32424), (772, 27762), (1158, 18508), (1322, 16212), (1351, 15864), (1544, 13881), (1983, 10808), (2316, 9254), (2644, 8106), (2702, 7932), (3966, 5404), (4053, 5288), (4627, 4632)]