21570976

素因数分解:

$2^5\times 7^2\times {\mathrm{13757}}^1$

素因数の和:13781

約数の個数: 36

約数和(自身を含む): 49404978

約数和(自身を除く): 27834002

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13757, 27514, 55028, 96299, 110056, 192598, 220112, 385196, 440224, 674093, 770392, 1348186, 1540784, 2696372, 3081568, 5392744, 10785488, 21570976]

約数ペア:

[(1, 21570976), (2, 10785488), (4, 5392744), (7, 3081568), (8, 2696372), (14, 1540784), (16, 1348186), (28, 770392), (32, 674093), (49, 440224), (56, 385196), (98, 220112), (112, 192598), (196, 110056), (224, 96299), (392, 55028), (784, 27514), (1568, 13757)]