21273056

素因数分解:

$2^5\times 7^2\times {\mathrm{13567}}^1$

素因数の和:13591

約数の個数: 36

約数和(自身を含む): 48722688

約数和(自身を除く): 27449632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13567, 27134, 54268, 94969, 108536, 189938, 217072, 379876, 434144, 664783, 759752, 1329566, 1519504, 2659132, 3039008, 5318264, 10636528, 21273056]

約数ペア:

[(1, 21273056), (2, 10636528), (4, 5318264), (7, 3039008), (8, 2659132), (14, 1519504), (16, 1329566), (28, 759752), (32, 664783), (49, 434144), (56, 379876), (98, 217072), (112, 189938), (196, 108536), (224, 94969), (392, 54268), (784, 27134), (1568, 13567)]