21889616

素因数分解:

$2^4\times 7^1\times {\mathrm{195443}}^1$

素因数の和:195458

約数の個数: 20

約数和(自身を含む): 48470112

約数和(自身を除く): 26580496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195443, 390886, 781772, 1368101, 1563544, 2736202, 3127088, 5472404, 10944808, 21889616]

約数ペア:

[(1, 21889616), (2, 10944808), (4, 5472404), (7, 3127088), (8, 2736202), (14, 1563544), (16, 1368101), (28, 781772), (56, 390886), (112, 195443)]