21356946

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10141}}^1$

素因数の和:10168

約数の個数: 40

約数和(自身を含む): 51541644

約数和(自身を除く): 30184698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10141, 20282, 30423, 60846, 91269, 131833, 182538, 263666, 273807, 395499, 547614, 790998, 821421, 1186497, 1642842, 2372994, 3559491, 7118982, 10678473, 21356946]

約数ペア:

[(1, 21356946), (2, 10678473), (3, 7118982), (6, 3559491), (9, 2372994), (13, 1642842), (18, 1186497), (26, 821421), (27, 790998), (39, 547614), (54, 395499), (78, 273807), (81, 263666), (117, 182538), (162, 131833), (234, 91269), (351, 60846), (702, 30423), (1053, 20282), (2106, 10141)]