21671488

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{6389}}^1$

素因数の和:6454

約数の個数: 28

約数和(自身を含む): 43822620

約数和(自身を除く): 22151132

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 848, 1696, 3392, 6389, 12778, 25556, 51112, 102224, 204448, 338617, 408896, 677234, 1354468, 2708936, 5417872, 10835744, 21671488]

約数ペア:

[(1, 21671488), (2, 10835744), (4, 5417872), (8, 2708936), (16, 1354468), (32, 677234), (53, 408896), (64, 338617), (106, 204448), (212, 102224), (424, 51112), (848, 25556), (1696, 12778), (3392, 6389)]