21858688

素因数分解:

$2^7\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 43758000

約数和(自身を除く): 21899312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 389, 439, 778, 878, 1556, 1756, 3112, 3512, 6224, 7024, 12448, 14048, 24896, 28096, 49792, 56192, 170771, 341542, 683084, 1366168, 2732336, 5464672, 10929344, 21858688]

約数ペア:

[(1, 21858688), (2, 10929344), (4, 5464672), (8, 2732336), (16, 1366168), (32, 683084), (64, 341542), (128, 170771), (389, 56192), (439, 49792), (778, 28096), (878, 24896), (1556, 14048), (1756, 12448), (3112, 7024), (3512, 6224)]