21320768

素因数分解:

$2^6\times 7^1\times {\mathrm{47591}}^1$

素因数の和:47610

約数の個数: 28

約数和(自身を含む): 48353472

約数和(自身を除く): 27032704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47591, 95182, 190364, 333137, 380728, 666274, 761456, 1332548, 1522912, 2665096, 3045824, 5330192, 10660384, 21320768]

約数ペア:

[(1, 21320768), (2, 10660384), (4, 5330192), (7, 3045824), (8, 2665096), (14, 1522912), (16, 1332548), (28, 761456), (32, 666274), (56, 380728), (64, 333137), (112, 190364), (224, 95182), (448, 47591)]