21871024

素因数分解:

$2^4\times 7^1\times {\mathrm{195277}}^1$

素因数の和:195292

約数の個数: 20

約数和(自身を含む): 48428944

約数和(自身を除く): 26557920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195277, 390554, 781108, 1366939, 1562216, 2733878, 3124432, 5467756, 10935512, 21871024]

約数ペア:

[(1, 21871024), (2, 10935512), (4, 5467756), (7, 3124432), (8, 2733878), (14, 1562216), (16, 1366939), (28, 781108), (56, 390554), (112, 195277)]