21296576

素因数分解:

$2^6\times 7^2\times {\mathrm{6791}}^1$

素因数の和:6817

約数の個数: 42

約数和(自身を含む): 49167288

約数和(自身を除く): 27870712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6791, 13582, 27164, 47537, 54328, 95074, 108656, 190148, 217312, 332759, 380296, 434624, 665518, 760592, 1331036, 1521184, 2662072, 3042368, 5324144, 10648288, 21296576]

約数ペア:

[(1, 21296576), (2, 10648288), (4, 5324144), (7, 3042368), (8, 2662072), (14, 1521184), (16, 1331036), (28, 760592), (32, 665518), (49, 434624), (56, 380296), (64, 332759), (98, 217312), (112, 190148), (196, 108656), (224, 95074), (392, 54328), (448, 47537), (784, 27164), (1568, 13582), (3136, 6791)]