21091952

素因数分解:

$2^4\times 7^2\times {\mathrm{26903}}^1$

素因数の和:26925

約数の個数: 30

約数和(自身を含む): 47539368

約数和(自身を除く): 26447416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26903, 53806, 107612, 188321, 215224, 376642, 430448, 753284, 1318247, 1506568, 2636494, 3013136, 5272988, 10545976, 21091952]

約数ペア:

[(1, 21091952), (2, 10545976), (4, 5272988), (7, 3013136), (8, 2636494), (14, 1506568), (16, 1318247), (28, 753284), (49, 430448), (56, 376642), (98, 215224), (112, 188321), (196, 107612), (392, 53806), (784, 26903)]